7122499125 has 192 divisors, whose sum is σ = 15160504320. Its totient is φ = 2947190400.

The previous prime is 7122499121. The next prime is 7122499157. The reversal of 7122499125 is 5219942217.

It is not a de Polignac number, because 7122499125 - 2² = 7122499121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7122499121) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8029432 + ... + 8030318.

It is an arithmetic number, because the mean of its divisors is an integer number (78960960).

Almost surely, 2^7122499125 is an apocalyptic number.

7122499125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7122499125 is an abundant number, since it is smaller than the sum of its proper divisors (8038005195).

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

7122499125 is a wasteful number, since it uses less digits than its factorization.

7122499125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961 (or 944 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 7122499125 is about 84394.8998755257. The cubic root of 7122499125 is about 1924.0254019760.

The spelling of 7122499125 in words is "seven billion, one hundred twenty-two million, four hundred ninety-nine thousand, one hundred twenty-five".