126106431 has 8 divisors (see below), whose sum is σ = 183427584. Its totient is φ = 76428120.

The previous prime is 126106429. The next prime is 126106441. The reversal of 126106431 is 134601621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126106431 - 2¹ = 126106429 is a prime.

It is a super-2 number, since 2×126106431² = 31805663879115522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126106441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1910671 + ... + 1910736.

It is an arithmetic number, because the mean of its divisors is an integer number (22928448).

Almost surely, 2^126106431 is an apocalyptic number.

126106431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

126106431 is a deficient number, since it is larger than the sum of its proper divisors (57321153).

126106431 is a wasteful number, since it uses less digits than its factorization.

126106431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3821421.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 126106431 is about 11229.7119731541. The cubic root of 126106431 is about 501.4709099380.

The spelling of 126106431 in words is "one hundred twenty-six million, one hundred six thousand, four hundred thirty-one".