122150340 has 72 divisors (see below), whose sum is σ = 399032088. Its totient is φ = 30067200.

The previous prime is 122150339. The next prime is 122150359. The reversal of 122150340 is 43051221.

122150340 is a `hidden beast` number, since 122 + 1 + 503 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12152196 + 109998144 = 3486^2 + 10488^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23761 + ... + 28440.

Almost surely, 2^122150340 is an apocalyptic number.

122150340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122150340 is an abundant number, since it is smaller than the sum of its proper divisors (276881748).

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

122150340 is a wasteful number, since it uses less digits than its factorization.

122150340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52229 (or 52224 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 122150340 is about 11052.1644938899. The cubic root of 122150340 is about 496.1712088889.

The spelling of 122150340 in words is "one hundred twenty-two million, one hundred fifty thousand, three hundred forty".