126995187 has 12 divisors (see below), whose sum is σ = 186120200. Its totient is φ = 76966560.

The previous prime is 126995179. The next prime is 126995249. The reversal of 126995187 is 781599621.

It is not a de Polignac number, because 126995187 - 2³ = 126995179 is a prime.

It is a super-2 number, since 2×126995187² = 32255555042329938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126995177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174562 + ... + 175287.

Almost surely, 2^126995187 is an apocalyptic number.

126995187 is a deficient number, since it is larger than the sum of its proper divisors (59125013).

126995187 is a wasteful number, since it uses less digits than its factorization.

126995187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349874 (or 349863 counting only the distinct ones).

The product of its digits is 272160, while the sum is 48.

The square root of 126995187 is about 11269.2141252174. The cubic root of 126995187 is about 502.6462196695.

It can be divided in two parts, 12 and 6995187, that multiplied together give a square (83942244 = 9162²).

The spelling of 126995187 in words is "one hundred twenty-six million, nine hundred ninety-five thousand, one hundred eighty-seven".