116725421 has 2 divisors, whose sum is σ = 116725422. Its totient is φ = 116725420.

The previous prime is 116725409. The next prime is 116725429. The reversal of 116725421 is 124527611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104264521 + 12460900 = 10211^2 + 3530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116725421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116725429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58362710 + 58362711.

It is an arithmetic number, because the mean of its divisors is an integer number (58362711).

Almost surely, 2^116725421 is an apocalyptic number.

It is an amenable number.

116725421 is a deficient number, since it is larger than the sum of its proper divisors (1).

116725421 is an equidigital number, since it uses as much as digits as its factorization.

116725421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 116725421 is about 10803.9539521418. The cubic root of 116725421 is about 488.7144156823.

The spelling of 116725421 in words is "one hundred sixteen million, seven hundred twenty-five thousand, four hundred twenty-one".