122545460 has 12 divisors (see below), whose sum is σ = 257345508. Its totient is φ = 49018176.

The previous prime is 122545453. The next prime is 122545463. The reversal of 122545460 is 64545221.

It can be written as a sum of positive squares in 2 ways, for example, as 73068304 + 49477156 = 8548^2 + 7034^2 .

It is a super-2 number, since 2×122545460² = 30034779533223200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122545463) 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, 3063617 + ... + 3063656.

It is an arithmetic number, because the mean of its divisors is an integer number (21445459).

Almost surely, 2^122545460 is an apocalyptic number.

122545460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122545460 is an abundant number, since it is smaller than the sum of its proper divisors (134800048).

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

122545460 is a wasteful number, since it uses less digits than its factorization.

122545460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127282 (or 6127280 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 122545460 is about 11070.0252935574. The cubic root of 122545460 is about 496.7056218163.

The spelling of 122545460 in words is "one hundred twenty-two million, five hundred forty-five thousand, four hundred sixty".