1127750457 has 8 divisors (see below), whose sum is σ = 1552172800. Its totient is φ = 727580880.

The previous prime is 1127750443. The next prime is 1127750473. The reversal of 1127750457 is 7540577211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1127750457 - 2¹⁹ = 1127226169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1127750257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6063082 + ... + 6063267.

It is an arithmetic number, because the mean of its divisors is an integer number (194021600).

Almost surely, 2^1127750457 is an apocalyptic number.

It is an amenable number.

1127750457 is a deficient number, since it is larger than the sum of its proper divisors (424422343).

1127750457 is a wasteful number, since it uses less digits than its factorization.

1127750457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12126383.

The product of its (nonzero) digits is 68600, while the sum is 39.

The square root of 1127750457 is about 33581.9960246558. The cubic root of 1127750457 is about 1040.8888041121. Note that the first 4 decimals are identical.

The spelling of 1127750457 in words is "one billion, one hundred twenty-seven million, seven hundred fifty thousand, four hundred fifty-seven".