121162734 has 192 divisors, whose sum is σ = 355829760. Its totient is φ = 28848960.

The previous prime is 121162729. The next prime is 121162739. The reversal of 121162734 is 437261121.

121162734 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 627 + 34 = 666.

It is an interprime number because it is at equal distance from previous prime (121162729) and next prime (121162739).

It is a super-2 number, since 2×121162734² = 29360816220709512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121162698 and 121162707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121162739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1132309 + ... + 1132415.

It is an arithmetic number, because the mean of its divisors is an integer number (1853280).

Almost surely, 2^121162734 is an apocalyptic number.

121162734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121162734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177914880).

121162734 is an abundant number, since it is smaller than the sum of its proper divisors (234667026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121162734 is a wasteful number, since it uses less digits than its factorization.

121162734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 192 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 121162734 is about 11007.3945145979. The cubic root of 121162734 is about 494.8303795937.

The spelling of 121162734 in words is "one hundred twenty-one million, one hundred sixty-two thousand, seven hundred thirty-four".