120873818 has 16 divisors (see below), whose sum is σ = 198461256. Its totient is φ = 54872640.

The previous prime is 120873803. The next prime is 120873833. The reversal of 120873818 is 818378021.

It is an interprime number because it is at equal distance from previous prime (120873803) and next prime (120873833).

It can be written as a sum of positive squares in 4 ways, for example, as 56505289 + 64368529 = 7517^2 + 8023^2 .

It is a super-2 number, since 2×120873818² = 29220959755794248, which contains 22 as substring.

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, 36521 + ... + 39692.

Almost surely, 2^120873818 is an apocalyptic number.

120873818 is a deficient number, since it is larger than the sum of its proper divisors (77587438).

120873818 is a wasteful number, since it uses less digits than its factorization.

120873818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76289.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 120873818 is about 10994.2629584707. The cubic root of 120873818 is about 494.4367541660.

The spelling of 120873818 in words is "one hundred twenty million, eight hundred seventy-three thousand, eight hundred eighteen".