125021343240 has 128 divisors (see below), whose sum is σ = 416858544000. Its totient is φ = 33329366784.

The previous prime is 125021343233. The next prime is 125021343259. The reversal of 125021343240 is 42343120521.

125021343240 is a `hidden beast` number, since 1 + 2 + 502 + 134 + 3 + 24 + 0 = 666.

125021343240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4204746 + ... + 4234374.

It is an arithmetic number, because the mean of its divisors is an integer number (3256707375).

Almost surely, 2^125021343240 is an apocalyptic number.

125021343240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125021343240 is an abundant number, since it is smaller than the sum of its proper divisors (291837200760).

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

125021343240 is a wasteful number, since it uses less digits than its factorization.

125021343240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33556 (or 33546 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 125021343240 its reverse (42343120521), we get a palindrome (167364463761).

The spelling of 125021343240 in words is "one hundred twenty-five billion, twenty-one million, three hundred forty-three thousand, two hundred forty".