125520119 has 4 divisors (see below), whose sum is σ = 127288080. Its totient is φ = 123752160.

The previous prime is 125520097. The next prime is 125520151. The reversal of 125520119 is 911025521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911025521 = 7 ⋅130146503.

It is a cyclic number.

It is not a de Polignac number, because 125520119 - 2¹² = 125516023 is a prime.

It is a super-2 number, since 2×125520119² = 31510600547548322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125520179) 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, 883874 + ... + 884015.

It is an arithmetic number, because the mean of its divisors is an integer number (31822020).

Almost surely, 2^125520119 is an apocalyptic number.

125520119 is a deficient number, since it is larger than the sum of its proper divisors (1767961).

125520119 is an equidigital number, since it uses as much as digits as its factorization.

125520119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1767960.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 125520119 is about 11203.5761701342. The cubic root of 125520119 is about 500.6925323550.

The spelling of 125520119 in words is "one hundred twenty-five million, five hundred twenty thousand, one hundred nineteen".