1127321457 has 16 divisors (see below), whose sum is σ = 1533126528. Its totient is φ = 736655360.

The previous prime is 1127321443. The next prime is 1127321467. The reversal of 1127321457 is 7541237211.

It is a cyclic number.

It is not a de Polignac number, because 1127321457 - 2¹⁰ = 1127320433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1127321467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21553 + ... + 52145.

It is an arithmetic number, because the mean of its divisors is an integer number (95820408).

Almost surely, 2^1127321457 is an apocalyptic number.

It is an amenable number.

1127321457 is a deficient number, since it is larger than the sum of its proper divisors (405805071).

1127321457 is a wasteful number, since it uses less digits than its factorization.

1127321457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30840.

The product of its digits is 11760, while the sum is 33.

The square root of 1127321457 is about 33575.6080659755. The cubic root of 1127321457 is about 1040.7568015258.

Adding to 1127321457 its reverse (7541237211), we get a palindrome (8668558668).

The spelling of 1127321457 in words is "one billion, one hundred twenty-seven million, three hundred twenty-one thousand, four hundred fifty-seven".