122603540 has 12 divisors (see below), whose sum is σ = 257467476. Its totient is φ = 49041408.

The previous prime is 122603539. The next prime is 122603549. The reversal of 122603540 is 45306221.

It can be written as a sum of positive squares in 2 ways, for example, as 91623184 + 30980356 = 9572^2 + 5566^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122603549) 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, 3065069 + ... + 3065108.

It is an arithmetic number, because the mean of its divisors is an integer number (21455623).

Almost surely, 2^122603540 is an apocalyptic number.

122603540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122603540 is an abundant number, since it is smaller than the sum of its proper divisors (134863936).

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

122603540 is a wasteful number, since it uses less digits than its factorization.

122603540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130186 (or 6130184 counting only the distinct ones).

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

The square root of 122603540 is about 11072.6482830441. The cubic root of 122603540 is about 496.7840800639.

Adding to 122603540 its reverse (45306221), we get a palindrome (167909761).

The spelling of 122603540 in words is "one hundred twenty-two million, six hundred three thousand, five hundred forty".