121620674 has 16 divisors (see below), whose sum is σ = 210408000. Its totient is φ = 51644304.

The previous prime is 121620673. The next prime is 121620683. The reversal of 121620674 is 476026121.

It is not an unprimeable number, because it can be changed into a prime (121620673) 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, 38324 + ... + 41375.

It is an arithmetic number, because the mean of its divisors is an integer number (13150500).

Almost surely, 2^121620674 is an apocalyptic number.

121620674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121620674 is a deficient number, since it is larger than the sum of its proper divisors (88787326).

121620674 is a wasteful number, since it uses less digits than its factorization.

121620674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79817.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 121620674 is about 11028.1763678316. The cubic root of 121620674 is about 495.4530070567.

Adding to 121620674 its reverse (476026121), we get a palindrome (597646795).

The spelling of 121620674 in words is "one hundred twenty-one million, six hundred twenty thousand, six hundred seventy-four".