126806788 has 6 divisors (see below), whose sum is σ = 221911886. Its totient is φ = 63403392.

The previous prime is 126806749. The next prime is 126806831. The reversal of 126806788 is 887608621.

It can be written as a sum of positive squares in only one way, i.e., 90782784 + 36024004 = 9528^2 + 6002^2 .

It is a super-2 number, since 2×126806788² = 32159922965753888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15850845 + ... + 15850852.

Almost surely, 2^126806788 is an apocalyptic number.

It is an amenable number.

126806788 is a deficient number, since it is larger than the sum of its proper divisors (95105098).

126806788 is a wasteful number, since it uses less digits than its factorization.

126806788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31701701 (or 31701699 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 126806788 is about 11260.8520103942. The cubic root of 126806788 is about 502.3975359343.

The spelling of 126806788 in words is "one hundred twenty-six million, eight hundred six thousand, seven hundred eighty-eight".