123524749 has 2 divisors, whose sum is σ = 123524750. Its totient is φ = 123524748.

The previous prime is 123524741. The next prime is 123524761. The reversal of 123524749 is 947425321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122810724 + 714025 = 11082^2 + 845^2 .

It is a cyclic number.

It is not a de Polignac number, because 123524749 - 2³ = 123524741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123524741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61762374 + 61762375.

It is an arithmetic number, because the mean of its divisors is an integer number (61762375).

Almost surely, 2^123524749 is an apocalyptic number.

It is an amenable number.

123524749 is a deficient number, since it is larger than the sum of its proper divisors (1).

123524749 is an equidigital number, since it uses as much as digits as its factorization.

123524749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 37.

The square root of 123524749 is about 11114.1688398188. The cubic root of 123524749 is about 498.0252093387.

The spelling of 123524749 in words is "one hundred twenty-three million, five hundred twenty-four thousand, seven hundred forty-nine".