121062620 has 24 divisors (see below), whose sum is σ = 290550624. Its totient is φ = 41507136.

The previous prime is 121062611. The next prime is 121062629. The reversal of 121062620 is 26260121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121062611) and next prime (121062629).

It is a super-2 number, since 2×121062620² = 29312315922528800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 121062592 and 121062601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121062629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432227 + ... + 432506.

It is an arithmetic number, because the mean of its divisors is an integer number (12106276).

Almost surely, 2^121062620 is an apocalyptic number.

121062620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121062620 is an abundant number, since it is smaller than the sum of its proper divisors (169488004).

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

121062620 is a wasteful number, since it uses less digits than its factorization.

121062620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864749 (or 864747 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 121062620 is about 11002.8459954686. The cubic root of 121062620 is about 494.6940530250.

The spelling of 121062620 in words is "one hundred twenty-one million, sixty-two thousand, six hundred twenty".