125078453 has 2 divisors, whose sum is σ = 125078454. Its totient is φ = 125078452.

The previous prime is 125078431. The next prime is 125078461. The reversal of 125078453 is 354870521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117137329 + 7941124 = 10823^2 + 2818^2 .

It is a cyclic number.

It is not a de Polignac number, because 125078453 - 2²⁰ = 124029877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125078953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62539226 + 62539227.

It is an arithmetic number, because the mean of its divisors is an integer number (62539227).

Almost surely, 2^125078453 is an apocalyptic number.

It is an amenable number.

125078453 is a deficient number, since it is larger than the sum of its proper divisors (1).

125078453 is an equidigital number, since it uses as much as digits as its factorization.

125078453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 125078453 is about 11183.8478619838. The cubic root of 125078453 is about 500.1045821236.

The spelling of 125078453 in words is "one hundred twenty-five million, seventy-eight thousand, four hundred fifty-three".