125377247 has 4 divisors (see below), whose sum is σ = 128044896. Its totient is φ = 122709600.

The previous prime is 125377211. The next prime is 125377297. The reversal of 125377247 is 742773521.

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 125377247 - 2¹² = 125373151 is a prime.

It is a super-4 number, since 4×125377247⁴ (a number of 33 digits) contains 4444 as substring.

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 125377247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125377297) 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, 1333754 + ... + 1333847.

It is an arithmetic number, because the mean of its divisors is an integer number (32011224).

Almost surely, 2^125377247 is an apocalyptic number.

125377247 is a deficient number, since it is larger than the sum of its proper divisors (2667649).

125377247 is an equidigital number, since it uses as much as digits as its factorization.

125377247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667648.

The product of its digits is 82320, while the sum is 38.

The square root of 125377247 is about 11197.1981763296. The cubic root of 125377247 is about 500.5024908367.

The spelling of 125377247 in words is "one hundred twenty-five million, three hundred seventy-seven thousand, two hundred forty-seven".