123037490 has 16 divisors (see below), whose sum is σ = 221605848. Its totient is φ = 49184256.

The previous prime is 123037487. The next prime is 123037501. The reversal of 123037490 is 94730321.

It can be written as a sum of positive squares in 4 ways, for example, as 105288121 + 17749369 = 10261^2 + 4213^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20024 + ... + 25436.

Almost surely, 2^123037490 is an apocalyptic number.

123037490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123037490 is a deficient number, since it is larger than the sum of its proper divisors (98568358).

123037490 is a wasteful number, since it uses less digits than its factorization.

123037490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 123037490 is about 11092.2265573689. The cubic root of 123037490 is about 497.3695052638.

The spelling of 123037490 in words is "one hundred twenty-three million, thirty-seven thousand, four hundred ninety".