107257070621 has 2 divisors, whose sum is σ = 107257070622. Its totient is φ = 107257070620.

The previous prime is 107257070617. The next prime is 107257070659. The reversal of 107257070621 is 126070752701.

It is an a-pointer prime, because the next prime (107257070659) can be obtained adding 107257070621 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96683061721 + 10574008900 = 310939^2 + 102830^2 .

It is a cyclic number.

It is not a de Polignac number, because 107257070621 - 2² = 107257070617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107257070521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53628535310 + 53628535311.

It is an arithmetic number, because the mean of its divisors is an integer number (53628535311).

Almost surely, 2^107257070621 is an apocalyptic number.

It is an amenable number.

107257070621 is a deficient number, since it is larger than the sum of its proper divisors (1).

107257070621 is an equidigital number, since it uses as much as digits as its factorization.

107257070621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41160, while the sum is 38.

The spelling of 107257070621 in words is "one hundred seven billion, two hundred fifty-seven million, seventy thousand, six hundred twenty-one".