1042545131 has 2 divisors, whose sum is σ = 1042545132. Its totient is φ = 1042545130.

The previous prime is 1042545113. The next prime is 1042545149. The reversal of 1042545131 is 1315452401.

Together with previous prime (1042545113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (1042545113) and next prime (1042545149).

It is a cyclic number.

It is not a de Polignac number, because 1042545131 - 2²² = 1038350827 is a prime.

It is a super-2 number, since 2×1042545131² = 2173800700343614322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042545131.

It is not a weakly prime, because it can be changed into another prime (1042545431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521272565 + 521272566.

It is an arithmetic number, because the mean of its divisors is an integer number (521272566).

Almost surely, 2^1042545131 is an apocalyptic number.

1042545131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042545131 is an equidigital number, since it uses as much as digits as its factorization.

1042545131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1042545131 is about 32288.4674613088. The cubic root of 1042545131 is about 1013.9852123962.

Adding to 1042545131 its reverse (1315452401), we get a palindrome (2357997532).

The spelling of 1042545131 in words is "one billion, forty-two million, five hundred forty-five thousand, one hundred thirty-one".