107124991 has 2 divisors, whose sum is σ = 107124992. Its totient is φ = 107124990.

The previous prime is 107124977. The next prime is 107125003. The reversal of 107124991 is 199421701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107124991 is a prime.

It is a super-2 number, since 2×107124991² = 22951527393500162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107127991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53562495 + 53562496.

It is an arithmetic number, because the mean of its divisors is an integer number (53562496).

Almost surely, 2^107124991 is an apocalyptic number.

107124991 is a deficient number, since it is larger than the sum of its proper divisors (1).

107124991 is an equidigital number, since it uses as much as digits as its factorization.

107124991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 107124991 is about 10350.1203374647. The cubic root of 107124991 is about 474.9307245232.

It can be divided in two parts, 1071 and 24991, that added together give a palindrome (26062).

The spelling of 107124991 in words is "one hundred seven million, one hundred twenty-four thousand, nine hundred ninety-one".