125452631320 has 16 divisors (see below), whose sum is σ = 282268420560. Its totient is φ = 50181052512.

The previous prime is 125452631237. The next prime is 125452631327. The reversal of 125452631320 is 23136254521.

It is a super-2 number, since 2×125452631320² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125452631327) 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, 1568157852 + ... + 1568157931.

It is an arithmetic number, because the mean of its divisors is an integer number (17641776285).

Almost surely, 2^125452631320 is an apocalyptic number.

125452631320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125452631320 is an abundant number, since it is smaller than the sum of its proper divisors (156815789240).

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

125452631320 is a wasteful number, since it uses less digits than its factorization.

125452631320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136315794 (or 3136315790 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 125452631320 its reverse (23136254521), we get a palindrome (148588885841).

The spelling of 125452631320 in words is "one hundred twenty-five billion, four hundred fifty-two million, six hundred thirty-one thousand, three hundred twenty".