125622420 has 96 divisors (see below), whose sum is σ = 438552576. Its totient is φ = 26102400.

The previous prime is 125622407. The next prime is 125622421. The reversal of 125622420 is 24226521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125622421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8976 + ... + 18215.

It is an arithmetic number, because the mean of its divisors is an integer number (4568256).

Almost surely, 2^125622420 is an apocalyptic number.

125622420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125622420 is an abundant number, since it is smaller than the sum of its proper divisors (312930156).

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

125622420 is a wasteful number, since it uses less digits than its factorization.

125622420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27221 (or 27219 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 125622420 is about 11208.1407914069. The cubic root of 125622420 is about 500.8285196853.

Adding to 125622420 its reverse (24226521), we get a palindrome (149848941).

The spelling of 125622420 in words is "one hundred twenty-five million, six hundred twenty-two thousand, four hundred twenty".