122035640 has 32 divisors (see below), whose sum is σ = 277156080. Its totient is φ = 48356352.

The previous prime is 122035607. The next prime is 122035649. The reversal of 122035640 is 46530221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122035649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9977 + ... + 18536.

Almost surely, 2^122035640 is an apocalyptic number.

122035640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122035640 is an abundant number, since it is smaller than the sum of its proper divisors (155120440).

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

122035640 is a wasteful number, since it uses less digits than its factorization.

122035640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28631 (or 28627 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 122035640 is about 11046.9742463717. The cubic root of 122035640 is about 496.0158575402.

Adding to 122035640 its reverse (46530221), we get a palindrome (168565861).

The spelling of 122035640 in words is "one hundred twenty-two million, thirty-five thousand, six hundred forty".