125294890 has 16 divisors (see below), whose sum is σ = 257749632. Its totient is φ = 42958224.

The previous prime is 125294861. The next prime is 125294899. The reversal of 125294890 is 98492521.

It is a super-2 number, since 2×125294890² = 31397618920224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125294899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894894 + ... + 895033.

It is an arithmetic number, because the mean of its divisors is an integer number (16109352).

Almost surely, 2^125294890 is an apocalyptic number.

125294890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125294890 is an abundant number, since it is smaller than the sum of its proper divisors (132454742).

125294890 is a wasteful number, since it uses less digits than its factorization.

125294890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789941.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 125294890 is about 11193.5200004288. The cubic root of 125294890 is about 500.3928778798.

The spelling of 125294890 in words is "one hundred twenty-five million, two hundred ninety-four thousand, eight hundred ninety".