1042257701 has 2 divisors, whose sum is σ = 1042257702. Its totient is φ = 1042257700.

The previous prime is 1042257677. The next prime is 1042257731. The reversal of 1042257701 is 1077522401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 956417476 + 85840225 = 30926^2 + 9265^2 .

It is an emirp because it is prime and its reverse (1077522401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042257701 - 2⁶ = 1042257637 is a prime.

It is a super-2 number, since 2×1042257701² = 2172602230587610802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042257731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521128850 + 521128851.

It is an arithmetic number, because the mean of its divisors is an integer number (521128851).

Almost surely, 2^1042257701 is an apocalyptic number.

It is an amenable number.

1042257701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042257701 is an equidigital number, since it uses as much as digits as its factorization.

1042257701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 1042257701 is about 32284.0161844836. The cubic root of 1042257701 is about 1013.8920184905.

The spelling of 1042257701 in words is "one billion, forty-two million, two hundred fifty-seven thousand, seven hundred one".