120903490 has 32 divisors (see below), whose sum is σ = 230978304. Its totient is φ = 45408000.

The previous prime is 120903421. The next prime is 120903493. The reversal of 120903490 is 94309021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (120903493) 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, 127197 + ... + 128143.

It is an arithmetic number, because the mean of its divisors is an integer number (7218072).

Almost surely, 2^120903490 is an apocalyptic number.

120903490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120903490 is a deficient number, since it is larger than the sum of its proper divisors (110074814).

120903490 is a wasteful number, since it uses less digits than its factorization.

120903490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 120903490 is about 10995.6123067340. The cubic root of 120903490 is about 494.4772088244.

The spelling of 120903490 in words is "one hundred twenty million, nine hundred three thousand, four hundred ninety".