121928702 has 16 divisors (see below), whose sum is σ = 216228960. Its totient is φ = 50453088.

The previous prime is 121928699. The next prime is 121928707. The reversal of 121928702 is 207829121.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121928707) 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, 149753 + ... + 150564.

It is an arithmetic number, because the mean of its divisors is an integer number (13514310).

Almost surely, 2^121928702 is an apocalyptic number.

121928702 is a deficient number, since it is larger than the sum of its proper divisors (94300258).

121928702 is a wasteful number, since it uses less digits than its factorization.

121928702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300355.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 121928702 is about 11042.1330366918. The cubic root of 121928702 is about 495.8709314489.

The spelling of 121928702 in words is "one hundred twenty-one million, nine hundred twenty-eight thousand, seven hundred two".