120449690 has 8 divisors (see below), whose sum is σ = 216809460. Its totient is φ = 48179872.

The previous prime is 120449639. The next prime is 120449701. The reversal of 120449690 is 96944021.

It can be written as a sum of positive squares in 2 ways, for example, as 118178641 + 2271049 = 10871^2 + 1507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×120449690² = 29016255642192200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120449690.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6022475 + ... + 6022494.

Almost surely, 2^120449690 is an apocalyptic number.

120449690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120449690 is a deficient number, since it is larger than the sum of its proper divisors (96359770).

120449690 is a wasteful number, since it uses less digits than its factorization.

120449690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12044976.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 120449690 is about 10974.9574031064. The cubic root of 120449690 is about 493.8577751167.

The spelling of 120449690 in words is "one hundred twenty million, four hundred forty-nine thousand, six hundred ninety".