122561472 has 56 divisors (see below), whose sum is σ = 353763072. Its totient is φ = 37139200.

The previous prime is 122561431. The next prime is 122561473. The reversal of 122561472 is 274165221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122561473) 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, 26904 + ... + 31127.

Almost surely, 2^122561472 is an apocalyptic number.

122561472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122561472 is an abundant number, since it is smaller than the sum of its proper divisors (231201600).

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

122561472 is a wasteful number, since it uses less digits than its factorization.

122561472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58057 (or 58047 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 122561472 is about 11070.7484841812. The cubic root of 122561472 is about 496.7272543436.

The spelling of 122561472 in words is "one hundred twenty-two million, five hundred sixty-one thousand, four hundred seventy-two".