122799247125 has 32 divisors (see below), whose sum is σ = 216357837696. Its totient is φ = 61640403200.

The previous prime is 122799247121. The next prime is 122799247139. The reversal of 122799247125 is 521742997221.

It is a happy number.

It is not a de Polignac number, because 122799247125 - 2² = 122799247121 is a prime.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122799247121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9624939 + ... + 9637688.

It is an arithmetic number, because the mean of its divisors is an integer number (6761182428).

Almost surely, 2^122799247125 is an apocalyptic number.

122799247125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122799247125 is a deficient number, since it is larger than the sum of its proper divisors (93558590571).

122799247125 is a wasteful number, since it uses less digits than its factorization.

122799247125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19262662 (or 19262652 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 51.

The spelling of 122799247125 in words is "one hundred twenty-two billion, seven hundred ninety-nine million, two hundred forty-seven thousand, one hundred twenty-five".