125143512 has 32 divisors (see below), whose sum is σ = 336925680. Its totient is φ = 38505600.

The previous prime is 125143489. The next prime is 125143537. The reversal of 125143512 is 215341521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200239 + ... + 200862.

Almost surely, 2^125143512 is an apocalyptic number.

125143512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125143512 is an abundant number, since it is smaller than the sum of its proper divisors (211782168).

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

125143512 is a wasteful number, since it uses less digits than its factorization.

125143512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401123 (or 401119 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 125143512 is about 11186.7560981725. The cubic root of 125143512 is about 500.1912761509.

The spelling of 125143512 in words is "one hundred twenty-five million, one hundred forty-three thousand, five hundred twelve".