1249374299 has 4 divisors (see below), whose sum is σ = 1257039336. Its totient is φ = 1241709264.

The previous prime is 1249374293. The next prime is 1249374359. The reversal of 1249374299 is 9924739421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1249374299 - 2¹⁶ = 1249308763 is a prime.

It is a super-2 number, since 2×1249374299² = 3121872278003482802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1249374293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3832274 + ... + 3832599.

It is an arithmetic number, because the mean of its divisors is an integer number (314259834).

Almost surely, 2^1249374299 is an apocalyptic number.

1249374299 is a deficient number, since it is larger than the sum of its proper divisors (7665037).

1249374299 is an equidigital number, since it uses as much as digits as its factorization.

1249374299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665036.

The product of its digits is 979776, while the sum is 50.

The square root of 1249374299 is about 35346.4892033141. The cubic root of 1249374299 is about 1077.0375774257.

The spelling of 1249374299 in words is "one billion, two hundred forty-nine million, three hundred seventy-four thousand, two hundred ninety-nine".