1252124741 has 4 divisors (see below), whose sum is σ = 1430999712. Its totient is φ = 1073249772.

The previous prime is 1252124729. The next prime is 1252124759. The reversal of 1252124741 is 1474212521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1474212521 = 3709 ⋅397469.

It is a de Polignac number, because none of the positive numbers 2^k-1252124741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252124701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89437475 + ... + 89437488.

It is an arithmetic number, because the mean of its divisors is an integer number (357749928).

Almost surely, 2^1252124741 is an apocalyptic number.

It is an amenable number.

1252124741 is a deficient number, since it is larger than the sum of its proper divisors (178874971).

1252124741 is an equidigital number, since it uses as much as digits as its factorization.

1252124741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178874970.

The product of its digits is 4480, while the sum is 29.

The square root of 1252124741 is about 35385.3746765525. The cubic root of 1252124741 is about 1077.8273482824.

The spelling of 1252124741 in words is "one billion, two hundred fifty-two million, one hundred twenty-four thousand, seven hundred forty-one".