1114431557 has 2 divisors, whose sum is σ = 1114431558. Its totient is φ = 1114431556.

The previous prime is 1114431553. The next prime is 1114431599. The reversal of 1114431557 is 7551344111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 963854116 + 150577441 = 31046^2 + 12271^2 .

It is a cyclic number.

It is not a de Polignac number, because 1114431557 - 2² = 1114431553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1114431553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557215778 + 557215779.

It is an arithmetic number, because the mean of its divisors is an integer number (557215779).

Almost surely, 2^1114431557 is an apocalyptic number.

It is an amenable number.

1114431557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1114431557 is an equidigital number, since it uses as much as digits as its factorization.

1114431557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 32.

The square root of 1114431557 is about 33383.1028665701. The cubic root of 1114431557 is about 1036.7748823434.

Adding to 1114431557 its reverse (7551344111), we get a palindrome (8665775668).

The spelling of 1114431557 in words is "one billion, one hundred fourteen million, four hundred thirty-one thousand, five hundred fifty-seven".