1127746091 has 2 divisors, whose sum is σ = 1127746092. Its totient is φ = 1127746090.

The previous prime is 1127746057. The next prime is 1127746133. The reversal of 1127746091 is 1906477211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1127746091 is a prime.

It is a super-2 number, since 2×1127746091² = 2543622491531560562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1127740091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563873045 + 563873046.

It is an arithmetic number, because the mean of its divisors is an integer number (563873046).

Almost surely, 2^1127746091 is an apocalyptic number.

1127746091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127746091 is an equidigital number, since it uses as much as digits as its factorization.

1127746091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 1127746091 is about 33581.9310195230. The cubic root of 1127746091 is about 1040.8874608698.

It can be divided in two parts, 11277460 and 91, that multiplied together give a triangular number (1026248860 = T₄₅₃₀₄).

The spelling of 1127746091 in words is "one billion, one hundred twenty-seven million, seven hundred forty-six thousand, ninety-one".