1129867537 has 2 divisors, whose sum is σ = 1129867538. Its totient is φ = 1129867536.

The previous prime is 1129867499. The next prime is 1129867577. The reversal of 1129867537 is 7357689211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1122518016 + 7349521 = 33504^2 + 2711^2 .

It is a cyclic number.

It is not a de Polignac number, because 1129867537 - 2²³ = 1121478929 is a prime.

It is not a weakly prime, because it can be changed into another prime (1129867577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564933768 + 564933769.

It is an arithmetic number, because the mean of its divisors is an integer number (564933769).

Almost surely, 2^1129867537 is an apocalyptic number.

It is an amenable number.

1129867537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129867537 is an equidigital number, since it uses as much as digits as its factorization.

1129867537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 49.

The square root of 1129867537 is about 33613.5023019024. The cubic root of 1129867537 is about 1041.5397363446.

The spelling of 1129867537 in words is "one billion, one hundred twenty-nine million, eight hundred sixty-seven thousand, five hundred thirty-seven".