120122402 has 4 divisors (see below), whose sum is σ = 180183606. Its totient is φ = 60061200.

The previous prime is 120122381. The next prime is 120122413. The reversal of 120122402 is 204221021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204221021 = 647 ⋅315643.

It can be written as a sum of positive squares in only one way, i.e., 64336441 + 55785961 = 8021^2 + 7469^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30030599 + ... + 30030602.

Almost surely, 2^120122402 is an apocalyptic number.

120122402 is a deficient number, since it is larger than the sum of its proper divisors (60061204).

120122402 is an equidigital number, since it uses as much as digits as its factorization.

120122402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60061203.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 120122402 is about 10960.0365875302. The cubic root of 120122402 is about 493.4100630390.

Adding to 120122402 its reverse (204221021), we get a palindrome (324343423).

The spelling of 120122402 in words is "one hundred twenty million, one hundred twenty-two thousand, four hundred two".