1157223467 has 2 divisors, whose sum is σ = 1157223468. Its totient is φ = 1157223466.

The previous prime is 1157223451. The next prime is 1157223491. The reversal of 1157223467 is 7643227511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1157223467 - 2⁴ = 1157223451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1157223467.

It is not a weakly prime, because it can be changed into another prime (1157223427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578611733 + 578611734.

It is an arithmetic number, because the mean of its divisors is an integer number (578611734).

Almost surely, 2^1157223467 is an apocalyptic number.

1157223467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157223467 is an equidigital number, since it uses as much as digits as its factorization.

1157223467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 38.

The square root of 1157223467 is about 34017.9874037251. The cubic root of 1157223467 is about 1049.8785852051.

The spelling of 1157223467 in words is "one billion, one hundred fifty-seven million, two hundred twenty-three thousand, four hundred sixty-seven".