1240133087 has 2 divisors, whose sum is σ = 1240133088. Its totient is φ = 1240133086.

The previous prime is 1240133047. The next prime is 1240133093. The reversal of 1240133087 is 7803310421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1240133087 - 2¹⁶ = 1240067551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240133047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620066543 + 620066544.

It is an arithmetic number, because the mean of its divisors is an integer number (620066544).

Almost surely, 2^1240133087 is an apocalyptic number.

1240133087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240133087 is an equidigital number, since it uses as much as digits as its factorization.

1240133087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1240133087 is about 35215.5233810318. The cubic root of 1240133087 is about 1074.3755051779.

The spelling of 1240133087 in words is "one billion, two hundred forty million, one hundred thirty-three thousand, eighty-seven".