1225892570143 has 4 divisors (see below), whose sum is σ = 1237139291080. Its totient is φ = 1214645849208.

The previous prime is 1225892570137. The next prime is 1225892570159. The reversal of 1225892570143 is 3410752985221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1225892570143 - 2³⁷ = 1088453616671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225892570173) 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, 5623360305 + ... + 5623360522.

It is an arithmetic number, because the mean of its divisors is an integer number (309284822770).

Almost surely, 2^{1225892570143} is an apocalyptic number.

1225892570143 is a deficient number, since it is larger than the sum of its proper divisors (11246720937).

1225892570143 is a wasteful number, since it uses less digits than its factorization.

1225892570143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11246720936.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 1225892570143 in words is "one trillion, two hundred twenty-five billion, eight hundred ninety-two million, five hundred seventy thousand, one hundred forty-three".