121302042 has 32 divisors (see below), whose sum is σ = 256704000. Its totient is φ = 38106288.

The previous prime is 121302031. The next prime is 121302043. The reversal of 121302042 is 240203121.

It is not an unprimeable number, because it can be changed into a prime (121302043) 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, 20013 + ... + 25359.

It is an arithmetic number, because the mean of its divisors is an integer number (8022000).

Almost surely, 2^121302042 is an apocalyptic number.

121302042 is an abundant number, since it is smaller than the sum of its proper divisors (135401958).

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

121302042 is a wasteful number, since it uses less digits than its factorization.

121302042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 121302042 is about 11013.7206247480. The cubic root of 121302042 is about 495.0199522618.

Adding to 121302042 its reverse (240203121), we get a palindrome (361505163).

The spelling of 121302042 in words is "one hundred twenty-one million, three hundred two thousand, forty-two".