125534051 has 4 divisors (see below), whose sum is σ = 127902672. Its totient is φ = 123165432.

The previous prime is 125534029. The next prime is 125534053. The reversal of 125534051 is 150435521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150435521 = 19 ⋅7917659.

It is a cyclic number.

It is not a de Polignac number, because 125534051 - 2¹⁸ = 125271907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125534051.

It is not an unprimeable number, because it can be changed into a prime (125534053) 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, 1184231 + ... + 1184336.

It is an arithmetic number, because the mean of its divisors is an integer number (31975668).

Almost surely, 2^125534051 is an apocalyptic number.

125534051 is a deficient number, since it is larger than the sum of its proper divisors (2368621).

125534051 is an equidigital number, since it uses as much as digits as its factorization.

125534051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368620.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 125534051 is about 11204.1979186375. The cubic root of 125534051 is about 500.7110563185.

Adding to 125534051 its reverse (150435521), we get a palindrome (275969572).

The spelling of 125534051 in words is "one hundred twenty-five million, five hundred thirty-four thousand, fifty-one".