1127403421 has 2 divisors, whose sum is σ = 1127403422. Its totient is φ = 1127403420.

The previous prime is 1127403413. The next prime is 1127403457. The reversal of 1127403421 is 1243047211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1100248900 + 27154521 = 33170^2 + 5211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127403421 - 2³ = 1127403413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1127403521) by changing a digit.

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 as a sum of consecutive naturals, namely, 563701710 + 563701711.

It is an arithmetic number, because the mean of its divisors is an integer number (563701711).

Almost surely, 2^1127403421 is an apocalyptic number.

It is an amenable number.

1127403421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127403421 is an equidigital number, since it uses as much as digits as its factorization.

1127403421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 1127403421 is about 33576.8286322577. The cubic root of 1127403421 is about 1040.7820242999.

The spelling of 1127403421 in words is "one billion, one hundred twenty-seven million, four hundred three thousand, four hundred twenty-one".