1253415115 has 8 divisors (see below), whose sum is σ = 1505594880. Its totient is φ = 1001734272.

The previous prime is 1253415091. The next prime is 1253415133. The reversal of 1253415115 is 5115143521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1253415115 - 2¹¹ = 1253413067 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119179 + ... + 129268.

It is an arithmetic number, because the mean of its divisors is an integer number (188199360).

Almost surely, 2^1253415115 is an apocalyptic number.

1253415115 is a deficient number, since it is larger than the sum of its proper divisors (252179765).

1253415115 is a wasteful number, since it uses less digits than its factorization.

1253415115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249461.

The product of its digits is 3000, while the sum is 28.

The square root of 1253415115 is about 35403.6031358392. The cubic root of 1253415115 is about 1078.1974719217.

Adding to 1253415115 its reverse (5115143521), we get a palindrome (6368558636).

The spelling of 1253415115 in words is "one billion, two hundred fifty-three million, four hundred fifteen thousand, one hundred fifteen".