121562496 has 192 divisors, whose sum is σ = 390957840. Its totient is φ = 35942400.

The previous prime is 121562411. The next prime is 121562503. The reversal of 121562496 is 694265121.

121562496 is a `hidden beast` number, since 1 + 2 + 1 + 562 + 4 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 121562496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671526 + ... + 671706.

Almost surely, 2^121562496 is an apocalyptic number.

121562496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121562496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195478920).

121562496 is an abundant number, since it is smaller than the sum of its proper divisors (269395344).

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

121562496 is a wasteful number, since it uses less digits than its factorization.

121562496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 250 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 121562496 is about 11025.5383542029. The cubic root of 121562496 is about 495.3739934552.

The spelling of 121562496 in words is "one hundred twenty-one million, five hundred sixty-two thousand, four hundred ninety-six".