1142620867 has 2 divisors, whose sum is σ = 1142620868. Its totient is φ = 1142620866.

The previous prime is 1142620837. The next prime is 1142620883. The reversal of 1142620867 is 7680262411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142620867 - 2¹⁵ = 1142588099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142620837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571310433 + 571310434.

It is an arithmetic number, because the mean of its divisors is an integer number (571310434).

Almost surely, 2^1142620867 is an apocalyptic number.

1142620867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142620867 is an equidigital number, since it uses as much as digits as its factorization.

1142620867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 1142620867 is about 33802.6754414499. The cubic root of 1142620867 is about 1045.4438617175.

The spelling of 1142620867 in words is "one billion, one hundred forty-two million, six hundred twenty thousand, eight hundred sixty-seven".