120912340 has 12 divisors (see below), whose sum is σ = 253915956. Its totient is φ = 48364928.

The previous prime is 120912317. The next prime is 120912349. The reversal of 120912340 is 43219021.

It can be written as a sum of positive squares in 2 ways, for example, as 43718544 + 77193796 = 6612^2 + 8786^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120912349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3022789 + ... + 3022828.

It is an arithmetic number, because the mean of its divisors is an integer number (21159663).

Almost surely, 2^120912340 is an apocalyptic number.

120912340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120912340 is an abundant number, since it is smaller than the sum of its proper divisors (133003616).

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

120912340 is a wasteful number, since it uses less digits than its factorization.

120912340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6045626 (or 6045624 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 120912340 is about 10996.0147326202. The cubic root of 120912340 is about 494.4892735893.

The spelling of 120912340 in words is "one hundred twenty million, nine hundred twelve thousand, three hundred forty".