1154330987 has 2 divisors, whose sum is σ = 1154330988. Its totient is φ = 1154330986.

The previous prime is 1154330971. The next prime is 1154331011. The reversal of 1154330987 is 7890334511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1154330987 - 2⁴ = 1154330971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1154330927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577165493 + 577165494.

It is an arithmetic number, because the mean of its divisors is an integer number (577165494).

Almost surely, 2^1154330987 is an apocalyptic number.

1154330987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154330987 is an equidigital number, since it uses as much as digits as its factorization.

1154330987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1154330987 is about 33975.4468256122. The cubic root of 1154330987 is about 1049.0031315763.

The spelling of 1154330987 in words is "one billion, one hundred fifty-four million, three hundred thirty thousand, nine hundred eighty-seven".