125166942 has 12 divisors (see below), whose sum is σ = 271195080. Its totient is φ = 41722308.

The previous prime is 125166941. The next prime is 125166949. The reversal of 125166942 is 249661521.

It is a junction number, because it is equal to n+sod(n) for n = 125166897 and 125166906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125166941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3476842 + ... + 3476877.

It is an arithmetic number, because the mean of its divisors is an integer number (22599590).

Almost surely, 2^125166942 is an apocalyptic number.

125166942 is an abundant number, since it is smaller than the sum of its proper divisors (146028138).

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

125166942 is a wasteful number, since it uses less digits than its factorization.

125166942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6953727 (or 6953724 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 125166942 is about 11187.8032696325. The cubic root of 125166942 is about 500.2224903148. Note that the first 3 decimals are identical.

The spelling of 125166942 in words is "one hundred twenty-five million, one hundred sixty-six thousand, nine hundred forty-two".