125211514 has 4 divisors (see below), whose sum is σ = 187817274. Its totient is φ = 62605756.

The previous prime is 125211497. The next prime is 125211529. The reversal of 125211514 is 415112521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 415112521 = 461 ⋅900461.

It can be written as a sum of positive squares in only one way, i.e., 71115489 + 54096025 = 8433^2 + 7355^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31302877 + ... + 31302880.

Almost surely, 2^125211514 is an apocalyptic number.

125211514 is a deficient number, since it is larger than the sum of its proper divisors (62605760).

125211514 is an equidigital number, since it uses as much as digits as its factorization.

125211514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62605759.

The product of its digits is 400, while the sum is 22.

The square root of 125211514 is about 11189.7950830210. The cubic root of 125211514 is about 500.2818597470.

The spelling of 125211514 in words is "one hundred twenty-five million, two hundred eleven thousand, five hundred fourteen".