126697988 has 12 divisors (see below), whose sum is σ = 224528640. Its totient is φ = 62546952.

The previous prime is 126697981. The next prime is 126697999. The reversal of 126697988 is 889796621.

It is not an unprimeable number, because it can be changed into a prime (126697981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200156 + ... + 200787.

It is an arithmetic number, because the mean of its divisors is an integer number (18710720).

Almost surely, 2^126697988 is an apocalyptic number.

It is an amenable number.

126697988 is a deficient number, since it is larger than the sum of its proper divisors (97830652).

126697988 is a wasteful number, since it uses less digits than its factorization.

126697988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401026 (or 401024 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 56.

The square root of 126697988 is about 11256.0200781626. The cubic root of 126697988 is about 502.2538094214.

The spelling of 126697988 in words is "one hundred twenty-six million, six hundred ninety-seven thousand, nine hundred eighty-eight".