122064140 has 24 divisors (see below), whose sum is σ = 279638352. Its totient is φ = 44386880.

The previous prime is 122064127. The next prime is 122064157. The reversal of 122064140 is 41460221.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 277199 + ... + 277638.

It is an arithmetic number, because the mean of its divisors is an integer number (11651598).

Almost surely, 2^122064140 is an apocalyptic number.

122064140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122064140 is an abundant number, since it is smaller than the sum of its proper divisors (157574212).

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

122064140 is a wasteful number, since it uses less digits than its factorization.

122064140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554857 (or 554855 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 122064140 is about 11048.2641170457. The cubic root of 122064140 is about 496.0544674403.

The spelling of 122064140 in words is "one hundred twenty-two million, sixty-four thousand, one hundred forty".