1142265101 has 2 divisors, whose sum is σ = 1142265102. Its totient is φ = 1142265100.

The previous prime is 1142265067. The next prime is 1142265119. The reversal of 1142265101 is 1015622411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608608900 + 533656201 = 24670^2 + 23101^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142265101 - 2¹⁸ = 1142002957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142265121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571132550 + 571132551.

It is an arithmetic number, because the mean of its divisors is an integer number (571132551).

Almost surely, 2^1142265101 is an apocalyptic number.

It is an amenable number.

1142265101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142265101 is an equidigital number, since it uses as much as digits as its factorization.

1142265101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1142265101 is about 33797.4126376562. The cubic root of 1142265101 is about 1045.3353474529.

Adding to 1142265101 its reverse (1015622411), we get a palindrome (2157887512).

The spelling of 1142265101 in words is "one billion, one hundred forty-two million, two hundred sixty-five thousand, one hundred one".