122530040 has 32 divisors (see below), whose sum is σ = 276896880. Its totient is φ = 48797952.

The previous prime is 122530019. The next prime is 122530049. The reversal of 122530040 is 40035221.

It is a super-2 number, since 2×122530040² = 30027221404803200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122530049) 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, 2747 + ... + 15893.

Almost surely, 2^122530040 is an apocalyptic number.

122530040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122530040 is an abundant number, since it is smaller than the sum of its proper divisors (154366840).

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

122530040 is a wasteful number, since it uses less digits than its factorization.

122530040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13391 (or 13387 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 122530040 is about 11069.3287962731. The cubic root of 122530040 is about 496.6847873114.

Adding to 122530040 its reverse (40035221), we get a palindrome (162565261).

The spelling of 122530040 in words is "one hundred twenty-two million, five hundred thirty thousand, forty".