125135371 has 4 divisors (see below), whose sum is σ = 125271000. Its totient is φ = 124999744.

The previous prime is 125135363. The next prime is 125135383. The reversal of 125135371 is 173531521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125135371 - 2³ = 125135363 is a prime.

It is a super-2 number, since 2×125135371² = 31317722150615282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125135071) 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, 66421 + ... + 68278.

It is an arithmetic number, because the mean of its divisors is an integer number (31317750).

Almost surely, 2^125135371 is an apocalyptic number.

125135371 is a deficient number, since it is larger than the sum of its proper divisors (135629).

125135371 is an equidigital number, since it uses as much as digits as its factorization.

125135371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135628.

The product of its digits is 3150, while the sum is 28.

The square root of 125135371 is about 11186.3922244842. The cubic root of 125135371 is about 500.1804295492.

Adding to 125135371 its reverse (173531521), we get a palindrome (298666892).

The spelling of 125135371 in words is "one hundred twenty-five million, one hundred thirty-five thousand, three hundred seventy-one".