1042254197 has 2 divisors, whose sum is σ = 1042254198. Its totient is φ = 1042254196.

The previous prime is 1042254179. The next prime is 1042254247. The reversal of 1042254197 is 7914522401.

Together with previous prime (1042254179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1041933841 + 320356 = 32279^2 + 566^2 .

It is an emirp because it is prime and its reverse (7914522401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042254197 - 2⁶ = 1042254133 is a prime.

It is a super-2 number, since 2×1042254197² = 2172587622328229618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042254107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521127098 + 521127099.

It is an arithmetic number, because the mean of its divisors is an integer number (521127099).

Almost surely, 2^1042254197 is an apocalyptic number.

It is an amenable number.

1042254197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042254197 is an equidigital number, since it uses as much as digits as its factorization.

1042254197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 1042254197 is about 32283.9619160970. The cubic root of 1042254197 is about 1013.8908822770.

Adding to 1042254197 its reverse (7914522401), we get a palindrome (8956776598).

The spelling of 1042254197 in words is "one billion, forty-two million, two hundred fifty-four thousand, one hundred ninety-seven".