125102420 has 24 divisors (see below), whose sum is σ = 267170400. Its totient is φ = 49192352.

The previous prime is 125102389. The next prime is 125102429. The reversal of 125102420 is 24201521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125102429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51830 + ... + 54189.

It is an arithmetic number, because the mean of its divisors is an integer number (11132100).

Almost surely, 2^125102420 is an apocalyptic number.

125102420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125102420 is an abundant number, since it is smaller than the sum of its proper divisors (142067980).

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

125102420 is a wasteful number, since it uses less digits than its factorization.

125102420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106087 (or 106085 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 125102420 is about 11184.9193112870. The cubic root of 125102420 is about 500.1365227197.

Adding to 125102420 its reverse (24201521), we get a palindrome (149303941).

The spelling of 125102420 in words is "one hundred twenty-five million, one hundred two thousand, four hundred twenty".