1117401669 has 8 divisors (see below), whose sum is σ = 1655409920. Its totient is φ = 744934428.

The previous prime is 1117401643. The next prime is 1117401671. The reversal of 1117401669 is 9661047111.

It is not a de Polignac number, because 1117401669 - 2¹⁶ = 1117336133 is a prime.

It is a super-2 number, since 2×1117401669² = 2497172979767971122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117401269) 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, 20692597 + ... + 20692650.

It is an arithmetic number, because the mean of its divisors is an integer number (206926240).

Almost surely, 2^1117401669 is an apocalyptic number.

It is an amenable number.

1117401669 is a deficient number, since it is larger than the sum of its proper divisors (538008251).

1117401669 is an equidigital number, since it uses as much as digits as its factorization.

1117401669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41385256 (or 41385250 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 1117401669 is about 33427.5585258631. The cubic root of 1117401669 is about 1037.6951141050.

The spelling of 1117401669 in words is "one billion, one hundred seventeen million, four hundred one thousand, six hundred sixty-nine".