120873918 has 48 divisors (see below), whose sum is σ = 267055488. Its totient is φ = 36445200.

The previous prime is 120873917. The next prime is 120873919. The reversal of 120873918 is 819378021.

It is an interprime number because it is at equal distance from previous prime (120873917) and next prime (120873919).

It is a super-2 number, since 2×120873918² = 29221008105341448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120873913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240055 + ... + 240557.

It is an arithmetic number, because the mean of its divisors is an integer number (5563656).

Almost surely, 2^120873918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120873918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133527744).

120873918 is an abundant number, since it is smaller than the sum of its proper divisors (146181570).

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

120873918 is a wasteful number, since it uses less digits than its factorization.

120873918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 120873918 is about 10994.2675062962. The cubic root of 120873918 is about 494.4368905166.

The spelling of 120873918 in words is "one hundred twenty million, eight hundred seventy-three thousand, nine hundred eighteen".