121662402 has 16 divisors (see below), whose sum is σ = 243444960. Its totient is φ = 40534112.

The previous prime is 121662379. The next prime is 121662403. The reversal of 121662402 is 204266121.

It is not an unprimeable number, because it can be changed into a prime (121662403) 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, 13318 + ... + 20510.

It is an arithmetic number, because the mean of its divisors is an integer number (15215310).

Almost surely, 2^121662402 is an apocalyptic number.

121662402 is an abundant number, since it is smaller than the sum of its proper divisors (121782558).

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

121662402 is a wasteful number, since it uses less digits than its factorization.

121662402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10017.

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

The square root of 121662402 is about 11030.0680868252. The cubic root of 121662402 is about 495.5096638141.

The spelling of 121662402 in words is "one hundred twenty-one million, six hundred sixty-two thousand, four hundred two".