1147951097 has 2 divisors, whose sum is σ = 1147951098. Its totient is φ = 1147951096.

The previous prime is 1147951037. The next prime is 1147951151. The reversal of 1147951097 is 7901597411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 990297961 + 157653136 = 31469^2 + 12556^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147951097 - 2⁶ = 1147951033 is a prime.

It is a super-2 number, since 2×1147951097² = 2635583442207006818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1147951037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573975548 + 573975549.

It is an arithmetic number, because the mean of its divisors is an integer number (573975549).

Almost surely, 2^1147951097 is an apocalyptic number.

It is an amenable number.

1147951097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147951097 is an equidigital number, since it uses as much as digits as its factorization.

1147951097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 44.

The square root of 1147951097 is about 33881.4270213048. The cubic root of 1147951097 is about 1047.0669762517.

The spelling of 1147951097 in words is "one billion, one hundred forty-seven million, nine hundred fifty-one thousand, ninety-seven".