1292134245 has 16 divisors (see below), whose sum is σ = 2067865152. Its totient is φ = 688988160.

The previous prime is 1292134243. The next prime is 1292134253. The reversal of 1292134245 is 5424312921.

It is not a de Polignac number, because 1292134245 - 2¹ = 1292134243 is a prime.

It is a super-2 number, since 2×1292134245² = 3339221814203440050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1292134241) 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, 114789 + ... + 125541.

It is an arithmetic number, because the mean of its divisors is an integer number (129241572).

Almost surely, 2^1292134245 is an apocalyptic number.

1292134245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1292134245 is a deficient number, since it is larger than the sum of its proper divisors (775730907).

1292134245 is a wasteful number, since it uses less digits than its factorization.

1292134245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18772.

The product of its digits is 17280, while the sum is 33.

The square root of 1292134245 is about 35946.2688606203. The cubic root of 1292134245 is about 1089.1872416612.

The spelling of 1292134245 in words is "one billion, two hundred ninety-two million, one hundred thirty-four thousand, two hundred forty-five".