126040402 has 16 divisors (see below), whose sum is σ = 193474080. Its totient is φ = 61562592.

The previous prime is 126040399. The next prime is 126040423. The reversal of 126040402 is 204040621.

It is a self number, because there is not a number n which added to its sum of digits gives 126040402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15958 + ... + 22510.

It is an arithmetic number, because the mean of its divisors is an integer number (12092130).

Almost surely, 2^126040402 is an apocalyptic number.

126040402 is a deficient number, since it is larger than the sum of its proper divisors (67433678).

126040402 is a wasteful number, since it uses less digits than its factorization.

126040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6777.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 126040402 is about 11226.7716641963. The cubic root of 126040402 is about 501.3833717023.

The spelling of 126040402 in words is "one hundred twenty-six million, forty thousand, four hundred two".