126891704 has 16 divisors (see below), whose sum is σ = 246126600. Its totient is φ = 61257952.

The previous prime is 126891701. The next prime is 126891707. The reversal of 126891704 is 407198621.

It is an interprime number because it is at equal distance from previous prime (126891701) and next prime (126891707).

It is a super-2 number, since 2×126891704² = 32203009088047232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126891701) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 273242 + ... + 273705.

Almost surely, 2^126891704 is an apocalyptic number.

It is an amenable number.

126891704 is a deficient number, since it is larger than the sum of its proper divisors (119234896).

126891704 is a wasteful number, since it uses less digits than its factorization.

126891704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546982 (or 546978 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 126891704 is about 11264.6217868156. The cubic root of 126891704 is about 502.5096541960.

The spelling of 126891704 in words is "one hundred twenty-six million, eight hundred ninety-one thousand, seven hundred four".