1252248741 has 24 divisors (see below), whose sum is σ = 1879425184. Its totient is φ = 833217840.

The previous prime is 1252248719. The next prime is 1252248749. The reversal of 1252248741 is 1478422521.

1252248741 is a `hidden beast` number, since 12 + 522 + 4 + 87 + 41 = 666.

It is not a de Polignac number, because 1252248741 - 2⁶ = 1252248677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252248696 and 1252248705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252248749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128211 + ... + 137631.

Almost surely, 2^1252248741 is an apocalyptic number.

It is an amenable number.

1252248741 is a deficient number, since it is larger than the sum of its proper divisors (627176443).

1252248741 is an frugal number, since it uses more digits than its factorization.

1252248741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9983 (or 9971 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 1252248741 is about 35387.1267694906. The cubic root of 1252248741 is about 1077.8629267875.

The spelling of 1252248741 in words is "one billion, two hundred fifty-two million, two hundred forty-eight thousand, seven hundred forty-one".