2125236291 has 16 divisors (see below), whose sum is σ = 2853494784. Its totient is φ = 1406928384.

The previous prime is 2125236287. The next prime is 2125236293. The reversal of 2125236291 is 1926325212.

It is not a de Polignac number, because 2125236291 - 2² = 2125236287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2125236293) 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, 348430 + ... + 354476.

It is an arithmetic number, because the mean of its divisors is an integer number (178343424).

Almost surely, 2^2125236291 is an apocalyptic number.

2125236291 is a deficient number, since it is larger than the sum of its proper divisors (728258493).

2125236291 is a wasteful number, since it uses less digits than its factorization.

2125236291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850.

The product of its digits is 12960, while the sum is 33.

The square root of 2125236291 is about 46100.2851509619. The cubic root of 2125236291 is about 1285.6884461668.

The spelling of 2125236291 in words is "two billion, one hundred twenty-five million, two hundred thirty-six thousand, two hundred ninety-one".