1125724254131 has 8 divisors (see below), whose sum is σ = 1151942573760. Its totient is φ = 1099507693032.

The previous prime is 1125724254119. The next prime is 1125724254163. The reversal of 1125724254131 is 1314524275211.

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 1125724254131 - 2¹⁰ = 1125724253107 is a prime.

It is a super-2 number, since 2×1125724254131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125724754131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 902756 + ... + 1751118.

It is an arithmetic number, because the mean of its divisors is an integer number (143992821720).

Almost surely, 2^{1125724254131} is an apocalyptic number.

1125724254131 is a deficient number, since it is larger than the sum of its proper divisors (26218319629).

1125724254131 is an equidigital number, since it uses as much as digits as its factorization.

1125724254131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879265.

The product of its digits is 67200, while the sum is 38.

The spelling of 1125724254131 in words is "one trillion, one hundred twenty-five billion, seven hundred twenty-four million, two hundred fifty-four thousand, one hundred thirty-one".