1127343997 has 8 divisors (see below), whose sum is σ = 1214654840. Its totient is φ = 1040117760.

The previous prime is 1127343979. The next prime is 1127344013. The reversal of 1127343997 is 7993437211.

It can be written as a sum of positive squares in 4 ways, for example, as 8173881 + 1119170116 = 2859^2 + 33454^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1127343997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127343907) 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, 8029 + ... + 48157.

It is an arithmetic number, because the mean of its divisors is an integer number (151831855).

Almost surely, 2^1127343997 is an apocalyptic number.

It is an amenable number.

1127343997 is a deficient number, since it is larger than the sum of its proper divisors (87310843).

1127343997 is a wasteful number, since it uses less digits than its factorization.

1127343997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42303.

The product of its digits is 285768, while the sum is 46.

The square root of 1127343997 is about 33575.9437246371. The cubic root of 1127343997 is about 1040.7637378798.

The spelling of 1127343997 in words is "one billion, one hundred twenty-seven million, three hundred forty-three thousand, nine hundred ninety-seven".