1127402243 has 16 divisors (see below), whose sum is σ = 1313788896. Its totient is φ = 956067840.

The previous prime is 1127402161. The next prime is 1127402303. The reversal of 1127402243 is 3422047211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1127402243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127402743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5546 + ... + 47807.

It is an arithmetic number, because the mean of its divisors is an integer number (82111806).

Almost surely, 2^1127402243 is an apocalyptic number.

1127402243 is a deficient number, since it is larger than the sum of its proper divisors (186386653).

1127402243 is a wasteful number, since it uses less digits than its factorization.

1127402243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53494.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1127402243 is about 33576.8110903939. The cubic root of 1127402243 is about 1040.7816618027.

Adding to 1127402243 its reverse (3422047211), we get a palindrome (4549449454).

The spelling of 1127402243 in words is "one billion, one hundred twenty-seven million, four hundred two thousand, two hundred forty-three".