123122402 has 16 divisors (see below), whose sum is σ = 199092600. Its totient is φ = 56767872.

The previous prime is 123122399. The next prime is 123122423. The reversal of 123122402 is 204221321.

It can be written as a sum of positive squares in 4 ways, for example, as 83192641 + 39929761 = 9121^2 + 6319^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33974 + ... + 37422.

Almost surely, 2^123122402 is an apocalyptic number.

123122402 is a deficient number, since it is larger than the sum of its proper divisors (75970198).

123122402 is a wasteful number, since it uses less digits than its factorization.

123122402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4837.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 123122402 is about 11096.0534425533. The cubic root of 123122402 is about 497.4838956766.

Adding to 123122402 its reverse (204221321), we get a palindrome (327343723).

The spelling of 123122402 in words is "one hundred twenty-three million, one hundred twenty-two thousand, four hundred two".