122072572 has 24 divisors (see below), whose sum is σ = 217697760. Its totient is φ = 59881920.

The previous prime is 122072557. The next prime is 122072591. The reversal of 122072572 is 275270221.

It is a self number, because there is not a number n which added to its sum of digits gives 122072572.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64098 + ... + 65974.

It is an arithmetic number, because the mean of its divisors is an integer number (9070740).

Almost surely, 2^122072572 is an apocalyptic number.

It is an amenable number.

122072572 is a deficient number, since it is larger than the sum of its proper divisors (95625188).

122072572 is a wasteful number, since it uses less digits than its factorization.

122072572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181 (or 2179 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 122072572 is about 11048.6457088641. The cubic root of 122072572 is about 496.0658893997.

The spelling of 122072572 in words is "one hundred twenty-two million, seventy-two thousand, five hundred seventy-two".