1127143400 has 24 divisors (see below), whose sum is σ = 2620608870. Its totient is φ = 450857280.

The previous prime is 1127143399. The next prime is 1127143411. The reversal of 1127143400 is 43417211.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 749773924 + 377369476 = 27382^2 + 19426^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2817659 + ... + 2818058.

Almost surely, 2^1127143400 is an apocalyptic number.

1127143400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1127143400 is an abundant number, since it is smaller than the sum of its proper divisors (1493465470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1127143400 is a wasteful number, since it uses less digits than its factorization.

1127143400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635733 (or 5635724 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1127143400 is about 33572.9563786093. The cubic root of 1127143400 is about 1040.7020038488.

The spelling of 1127143400 in words is "one billion, one hundred twenty-seven million, one hundred forty-three thousand, four hundred".