122910072 has 32 divisors (see below), whose sum is σ = 307676880. Its totient is φ = 40916480.

The previous prime is 122910023. The next prime is 122910077. The reversal of 122910072 is 270019221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122910077) 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, 18238 + ... + 24050.

Almost surely, 2^122910072 is an apocalyptic number.

122910072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122910072 is an abundant number, since it is smaller than the sum of its proper divisors (184766808).

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

122910072 is a wasteful number, since it uses less digits than its factorization.

122910072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6703 (or 6699 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 122910072 is about 11086.4814977521. The cubic root of 122910072 is about 497.1977535023.

Adding to 122910072 its reverse (270019221), we get a palindrome (392929293).

The spelling of 122910072 in words is "one hundred twenty-two million, nine hundred ten thousand, seventy-two".