1147922357 has 2 divisors, whose sum is σ = 1147922358. Its totient is φ = 1147922356.

The previous prime is 1147922353. The next prime is 1147922359. The reversal of 1147922357 is 7532297411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1147922161 + 196 = 33881^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147922357 - 2² = 1147922353 is a prime.

Together with 1147922359, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147922351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573961178 + 573961179.

It is an arithmetic number, because the mean of its divisors is an integer number (573961179).

Almost surely, 2^1147922357 is an apocalyptic number.

It is an amenable number.

1147922357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147922357 is an equidigital number, since it uses as much as digits as its factorization.

1147922357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 1147922357 is about 33881.0028924765. The cubic root of 1147922357 is about 1047.0582380874.

The spelling of 1147922357 in words is "one billion, one hundred forty-seven million, nine hundred twenty-two thousand, three hundred fifty-seven".