103251240 has 64 divisors (see below), whose sum is σ = 344174400. Its totient is φ = 27533376.

The previous prime is 103251229. The next prime is 103251241. The reversal of 103251240 is 42152301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103251241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46722 + ... + 48881.

It is an arithmetic number, because the mean of its divisors is an integer number (5377725).

Almost surely, 2^103251240 is an apocalyptic number.

103251240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103251240 is an abundant number, since it is smaller than the sum of its proper divisors (240923160).

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

103251240 is a wasteful number, since it uses less digits than its factorization.

103251240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95623 (or 95613 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 103251240 is about 10161.2617326787. The cubic root of 103251240 is about 469.1356378510.

The spelling of 103251240 in words is "one hundred three million, two hundred fifty-one thousand, two hundred forty".