1047120787 has 2 divisors, whose sum is σ = 1047120788. Its totient is φ = 1047120786.

The previous prime is 1047120773. The next prime is 1047120803. The reversal of 1047120787 is 7870217401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1047120787 - 2¹⁵ = 1047088019 is a prime.

It is not a weakly prime, because it can be changed into another prime (1047120707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523560393 + 523560394.

It is an arithmetic number, because the mean of its divisors is an integer number (523560394).

Almost surely, 2^1047120787 is an apocalyptic number.

1047120787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047120787 is an equidigital number, since it uses as much as digits as its factorization.

1047120787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 37.

The square root of 1047120787 is about 32359.2457730399. The cubic root of 1047120787 is about 1015.4664836274.

The spelling of 1047120787 in words is "one billion, forty-seven million, one hundred twenty thousand, seven hundred eighty-seven".