126364507 has 4 divisors (see below), whose sum is σ = 131858640. Its totient is φ = 120870376.

The previous prime is 126364493. The next prime is 126364523. The reversal of 126364507 is 705463621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705463621 = 31 ⋅22756891.

It is a cyclic number.

It is not a de Polignac number, because 126364507 - 2⁷ = 126364379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126364597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2747032 + ... + 2747077.

It is an arithmetic number, because the mean of its divisors is an integer number (32964660).

Almost surely, 2^126364507 is an apocalyptic number.

126364507 is a deficient number, since it is larger than the sum of its proper divisors (5494133).

126364507 is an equidigital number, since it uses as much as digits as its factorization.

126364507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494132.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 126364507 is about 11241.1968668821. The cubic root of 126364507 is about 501.8127625083.

The spelling of 126364507 in words is "one hundred twenty-six million, three hundred sixty-four thousand, five hundred seven".