122450840 has 16 divisors (see below), whose sum is σ = 275514480. Its totient is φ = 48980320.

The previous prime is 122450833. The next prime is 122450843. The reversal of 122450840 is 48054221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122450843) 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, 1530596 + ... + 1530675.

It is an arithmetic number, because the mean of its divisors is an integer number (17219655).

Almost surely, 2^122450840 is an apocalyptic number.

122450840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122450840 is an abundant number, since it is smaller than the sum of its proper divisors (153063640).

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

122450840 is a wasteful number, since it uses less digits than its factorization.

122450840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061282 (or 3061278 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 122450840 is about 11065.7507653119. The cubic root of 122450840 is about 496.5777498487.

The spelling of 122450840 in words is "one hundred twenty-two million, four hundred fifty thousand, eight hundred forty".