121246620 has 48 divisors (see below), whose sum is σ = 370355328. Its totient is φ = 29392960.

The previous prime is 121246607. The next prime is 121246621. The reversal of 121246620 is 26642121.

It is a super-2 number, since 2×121246620² = 29401485722848800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121246621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91194 + ... + 92513.

It is an arithmetic number, because the mean of its divisors is an integer number (7715736).

Almost surely, 2^121246620 is an apocalyptic number.

121246620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121246620 is an abundant number, since it is smaller than the sum of its proper divisors (249108708).

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

121246620 is a wasteful number, since it uses less digits than its factorization.

121246620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183730 (or 183728 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 121246620 is about 11011.2042938091. The cubic root of 121246620 is about 494.9445504667.

Adding to 121246620 its reverse (26642121), we get a palindrome (147888741).

The spelling of 121246620 in words is "one hundred twenty-one million, two hundred forty-six thousand, six hundred twenty".