1122545639 has 2 divisors, whose sum is σ = 1122545640. Its totient is φ = 1122545638.

The previous prime is 1122545621. The next prime is 1122545657. The reversal of 1122545639 is 9365452211.

It is a balanced prime because it is at equal distance from previous prime (1122545621) and next prime (1122545657).

It is an emirp because it is prime and its reverse (9365452211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122545639 - 2²⁴ = 1105768423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561272819 + 561272820.

It is an arithmetic number, because the mean of its divisors is an integer number (561272820).

Almost surely, 2^1122545639 is an apocalyptic number.

1122545639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122545639 is an equidigital number, since it uses as much as digits as its factorization.

1122545639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 1122545639 is about 33504.4122318240. The cubic root of 1122545639 is about 1039.2850235603.

The spelling of 1122545639 in words is "one billion, one hundred twenty-two million, five hundred forty-five thousand, six hundred thirty-nine".