1042550231 has 2 divisors, whose sum is σ = 1042550232. Its totient is φ = 1042550230.

The previous prime is 1042550219. The next prime is 1042550291. The reversal of 1042550231 is 1320552401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042550231 - 2⁶ = 1042550167 is a prime.

It is a super-2 number, since 2×1042550231² = 2173821968316306722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042550197 and 1042550206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042550291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521275115 + 521275116.

It is an arithmetic number, because the mean of its divisors is an integer number (521275116).

Almost surely, 2^1042550231 is an apocalyptic number.

1042550231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042550231 is an equidigital number, since it uses as much as digits as its factorization.

1042550231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1042550231 is about 32288.5464367785. The cubic root of 1042550231 is about 1013.9868658230.

The spelling of 1042550231 in words is "one billion, forty-two million, five hundred fifty thousand, two hundred thirty-one".