126951951 has 16 divisors (see below), whose sum is σ = 195448064. Its totient is φ = 71794944.

The previous prime is 126951931. The next prime is 126951959. The reversal of 126951951 is 159159621.

It is not a de Polignac number, because 126951951 - 2⁶ = 126951887 is a prime.

It is a super-2 number, since 2×126951951² = 32233595725412802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126951959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29125 + ... + 33198.

It is an arithmetic number, because the mean of its divisors is an integer number (12215504).

Almost surely, 2^126951951 is an apocalyptic number.

126951951 is a deficient number, since it is larger than the sum of its proper divisors (68496113).

126951951 is an equidigital number, since it uses as much as digits as its factorization.

126951951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62430.

The product of its digits is 24300, while the sum is 39.

The square root of 126951951 is about 11267.2956382621. The cubic root of 126951951 is about 502.5891705817.

The spelling of 126951951 in words is "one hundred twenty-six million, nine hundred fifty-one thousand, nine hundred fifty-one".