126697028 has 12 divisors (see below), whose sum is σ = 227712492. Its totient is φ = 61636320.

The previous prime is 126696989. The next prime is 126697033. The reversal of 126697028 is 820796621.

It can be written as a sum of positive squares in 2 ways, for example, as 73582084 + 53114944 = 8578^2 + 7288^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427883 + ... + 428178.

It is an arithmetic number, because the mean of its divisors is an integer number (18976041).

Almost surely, 2^126697028 is an apocalyptic number.

It is an amenable number.

126697028 is a deficient number, since it is larger than the sum of its proper divisors (101015464).

126697028 is a wasteful number, since it uses less digits than its factorization.

126697028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856102 (or 856100 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 126697028 is about 11255.9774342347. The cubic root of 126697028 is about 502.2525408802.

The spelling of 126697028 in words is "one hundred twenty-six million, six hundred ninety-seven thousand, twenty-eight".