1114559257 has 4 divisors (see below), whose sum is σ = 1273782016. Its totient is φ = 955336500.

The previous prime is 1114559249. The next prime is 1114559279. The reversal of 1114559257 is 7529554111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7529554111 = 2179 ⋅3455509.

It is a cyclic number.

It is not a de Polignac number, because 1114559257 - 2³ = 1114559249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1114559297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79611369 + ... + 79611382.

It is an arithmetic number, because the mean of its divisors is an integer number (318445504).

Almost surely, 2^1114559257 is an apocalyptic number.

It is an amenable number.

1114559257 is a deficient number, since it is larger than the sum of its proper divisors (159222759).

1114559257 is an equidigital number, since it uses as much as digits as its factorization.

1114559257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159222758.

The product of its digits is 63000, while the sum is 40.

The square root of 1114559257 is about 33385.0154560396. The cubic root of 1114559257 is about 1036.8144813345.

The spelling of 1114559257 in words is "one billion, one hundred fourteen million, five hundred fifty-nine thousand, two hundred fifty-seven".