125142365 has 4 divisors (see below), whose sum is σ = 150170844. Its totient is φ = 100113888.

The previous prime is 125142361. The next prime is 125142377. The reversal of 125142365 is 563241521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39413284 + 85729081 = 6278^2 + 9259^2 .

It is a cyclic number.

It is not a de Polignac number, because 125142365 - 2² = 125142361 is a prime.

It is a super-2 number, since 2×125142365² = 31321223035586450, 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 (125142361) 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, 12514232 + ... + 12514241.

It is an arithmetic number, because the mean of its divisors is an integer number (37542711).

Almost surely, 2^125142365 is an apocalyptic number.

It is an amenable number.

125142365 is a deficient number, since it is larger than the sum of its proper divisors (25028479).

125142365 is an equidigital number, since it uses as much as digits as its factorization.

125142365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25028478.

The product of its digits is 7200, while the sum is 29.

The square root of 125142365 is about 11186.7048320763. The cubic root of 125142365 is about 500.1897479823.

Adding to 125142365 its reverse (563241521), we get a palindrome (688383886).

The spelling of 125142365 in words is "one hundred twenty-five million, one hundred forty-two thousand, three hundred sixty-five".