631201125 has 32 divisors (see below), whose sum is σ = 1053262080. Its totient is φ = 335697600.

The previous prime is 631201097. The next prime is 631201127. The reversal of 631201125 is 521102136.

It is not a de Polignac number, because 631201125 - 2⁶ = 631201061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631201127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143712 + ... + 148038.

It is an arithmetic number, because the mean of its divisors is an integer number (32914440).

Almost surely, 2^631201125 is an apocalyptic number.

It is an amenable number.

631201125 is a deficient number, since it is larger than the sum of its proper divisors (422060955).

631201125 is a wasteful number, since it uses less digits than its factorization.

631201125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734 (or 4724 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 631201125 is about 25123.7163851211. The cubic root of 631201125 is about 857.8063459036.

The spelling of 631201125 in words is "six hundred thirty-one million, two hundred one thousand, one hundred twenty-five".