125249946 has 16 divisors (see below), whose sum is σ = 250838208. Its totient is φ = 41693600.

The previous prime is 125249933. The next prime is 125249953. The reversal of 125249946 is 649942521.

It is a junction number, because it is equal to n+sod(n) for n = 125249898 and 125249907.

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, 9150 + ... + 18281.

It is an arithmetic number, because the mean of its divisors is an integer number (15677388).

Almost surely, 2^125249946 is an apocalyptic number.

125249946 is an abundant number, since it is smaller than the sum of its proper divisors (125588262).

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

125249946 is a wasteful number, since it uses less digits than its factorization.

125249946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28197.

The product of its digits is 155520, while the sum is 42.

The square root of 125249946 is about 11191.5122302574. The cubic root of 125249946 is about 500.3330394535. Note that the first 3 decimals are identical.

The spelling of 125249946 in words is "one hundred twenty-five million, two hundred forty-nine thousand, nine hundred forty-six".