1142587949747 has 2 divisors, whose sum is σ = 1142587949748. Its totient is φ = 1142587949746.

The previous prime is 1142587949743. The next prime is 1142587949761. The reversal of 1142587949747 is 7479497852411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142587949747 - 2² = 1142587949743 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142587949743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571293974873 + 571293974874.

It is an arithmetic number, because the mean of its divisors is an integer number (571293974874).

Almost surely, 2^{1142587949747} is an apocalyptic number.

1142587949747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142587949747 is an equidigital number, since it uses as much as digits as its factorization.

1142587949747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 142248960, while the sum is 68.

The spelling of 1142587949747 in words is "one trillion, one hundred forty-two billion, five hundred eighty-seven million, nine hundred forty-nine thousand, seven hundred forty-seven".