1151429947 has 2 divisors, whose sum is σ = 1151429948. Its totient is φ = 1151429946.

The previous prime is 1151429911. The next prime is 1151429953. The reversal of 1151429947 is 7499241511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1151429947 - 2²⁷ = 1017212219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151429987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575714973 + 575714974.

It is an arithmetic number, because the mean of its divisors is an integer number (575714974).

Almost surely, 2^1151429947 is an apocalyptic number.

1151429947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151429947 is an equidigital number, since it uses as much as digits as its factorization.

1151429947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 43.

The square root of 1151429947 is about 33932.7267840355. The cubic root of 1151429947 is about 1048.1236169446.

The spelling of 1151429947 in words is "one billion, one hundred fifty-one million, four hundred twenty-nine thousand, nine hundred forty-seven".