125315022420 has 144 divisors (see below), whose sum is σ = 437846642688. Its totient is φ = 28417858560.

The previous prime is 125315022407. The next prime is 125315022433. The reversal of 125315022420 is 24220513521.

125315022420 is a `hidden beast` number, since 125 + 31 + 502 + 2 + 4 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (125315022407) and next prime (125315022433).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 231541 + ... + 551580.

Almost surely, 2^125315022420 is an apocalyptic number.

125315022420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125315022420 is an abundant number, since it is smaller than the sum of its proper divisors (312531620268).

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

125315022420 is a wasteful number, since it uses less digits than its factorization.

125315022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783270 (or 783265 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 125315022420 its reverse (24220513521), we get a palindrome (149535535941).

The spelling of 125315022420 in words is "one hundred twenty-five billion, three hundred fifteen million, twenty-two thousand, four hundred twenty".