631050120 has 48 divisors (see below), whose sum is σ = 2050914060. Its totient is φ = 168279936.

The previous prime is 631050109. The next prime is 631050127. The reversal of 631050120 is 21050136.

It can be written as a sum of positive squares in 2 ways, for example, as 608411556 + 22638564 = 24666^2 + 4758^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 631050093 and 631050102.

It is not an unprimeable number, because it can be changed into a prime (631050127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 876099 + ... + 876818.

Almost surely, 2^631050120 is an apocalyptic number.

631050120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

631050120 is an abundant number, since it is smaller than the sum of its proper divisors (1419863940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631050120 is a wasteful number, since it uses less digits than its factorization.

631050120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752934 (or 1752927 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 631050120 is about 25120.7109771997. The cubic root of 631050120 is about 857.7379348626.

The spelling of 631050120 in words is "six hundred thirty-one million, fifty thousand, one hundred twenty".