121560074 has 4 divisors (see below), whose sum is σ = 182340114. Its totient is φ = 60780036.

The previous prime is 121560071. The next prime is 121560077. The reversal of 121560074 is 470065121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (121560071) and next prime (121560077).

It can be written as a sum of positive squares in only one way, i.e., 120846049 + 714025 = 10993^2 + 845^2 .

It is not an unprimeable number, because it can be changed into a prime (121560071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30390017 + ... + 30390020.

Almost surely, 2^121560074 is an apocalyptic number.

121560074 is a deficient number, since it is larger than the sum of its proper divisors (60780040).

121560074 is an equidigital number, since it uses as much as digits as its factorization.

121560074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60780039.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 121560074 is about 11025.4285177493. The cubic root of 121560074 is about 495.3707035047.

The spelling of 121560074 in words is "one hundred twenty-one million, five hundred sixty thousand, seventy-four".