1295234249 has 4 divisors (see below), whose sum is σ = 1296282564. Its totient is φ = 1294185936.

The previous prime is 1295234231. The next prime is 1295234273. The reversal of 1295234249 is 9424325921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9424325921 = 17 ⋅554372113.

It can be written as a sum of positive squares in 2 ways, for example, as 717168400 + 578065849 = 26780^2 + 24043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1295234249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1295234209) 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, 522302 + ... + 524775.

It is an arithmetic number, because the mean of its divisors is an integer number (324070641).

Almost surely, 2^1295234249 is an apocalyptic number.

It is an amenable number.

1295234249 is a deficient number, since it is larger than the sum of its proper divisors (1048315).

1295234249 is a wasteful number, since it uses less digits than its factorization.

1295234249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048314.

The product of its digits is 155520, while the sum is 41.

The square root of 1295234249 is about 35989.3629979748. The cubic root of 1295234249 is about 1090.0575816171.

The spelling of 1295234249 in words is "one billion, two hundred ninety-five million, two hundred thirty-four thousand, two hundred forty-nine".