1154752919 has 2 divisors, whose sum is σ = 1154752920. Its totient is φ = 1154752918.

The previous prime is 1154752913. The next prime is 1154752933. The reversal of 1154752919 is 9192574511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1154752919 is a prime.

It is a super-2 number, since 2×1154752919² = 2666908607878041122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1154752919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1154752913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577376459 + 577376460.

It is an arithmetic number, because the mean of its divisors is an integer number (577376460).

Almost surely, 2^1154752919 is an apocalyptic number.

1154752919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1154752919 is an equidigital number, since it uses as much as digits as its factorization.

1154752919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 44.

The square root of 1154752919 is about 33981.6556247632. The cubic root of 1154752919 is about 1049.1309268326.

The spelling of 1154752919 in words is "one billion, one hundred fifty-four million, seven hundred fifty-two thousand, nine hundred nineteen".