1244324965 has 16 divisors (see below), whose sum is σ = 1659926016. Its totient is φ = 889243200.

The previous prime is 1244324959. The next prime is 1244324969. The reversal of 1244324965 is 5694234421.

It is a happy number.

It is not a de Polignac number, because 1244324965 - 2³ = 1244324957 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 (1244324969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306751 + ... + 310780.

It is an arithmetic number, because the mean of its divisors is an integer number (103745376).

Almost surely, 2^1244324965 is an apocalyptic number.

It is an amenable number.

1244324965 is a deficient number, since it is larger than the sum of its proper divisors (415601051).

1244324965 is a wasteful number, since it uses less digits than its factorization.

1244324965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617580.

The product of its digits is 207360, while the sum is 40.

The square root of 1244324965 is about 35274.9906449314. The cubic root of 1244324965 is about 1075.5846727554.

The spelling of 1244324965 in words is "one billion, two hundred forty-four million, three hundred twenty-four thousand, nine hundred sixty-five".