121057734 has 64 divisors (see below), whose sum is σ = 287424000. Its totient is φ = 33967584.

The previous prime is 121057723. The next prime is 121057751. The reversal of 121057734 is 437750121.

It is a super-2 number, since 2×121057734² = 29309949922429512, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120924 + ... + 121920.

It is an arithmetic number, because the mean of its divisors is an integer number (4491000).

Almost surely, 2^121057734 is an apocalyptic number.

121057734 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 121057734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143712000).

121057734 is an abundant number, since it is smaller than the sum of its proper divisors (166366266).

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

121057734 is an equidigital number, since it uses as much as digits as its factorization.

121057734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 121057734 is about 11002.6239597652. The cubic root of 121057734 is about 494.6873977705.

The spelling of 121057734 in words is "one hundred twenty-one million, fifty-seven thousand, seven hundred thirty-four".