409192101 has 8 divisors (see below), whose sum is σ = 606210560. Its totient is φ = 272794716.

The previous prime is 409192093. The next prime is 409192123. The reversal of 409192101 is 101291904.

It is not a de Polignac number, because 409192101 - 2³ = 409192093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 15155263 = 409192101 / (4 + 0 + 9 + 1 + 9 + 2 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409192801) 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, 7577605 + ... + 7577658.

It is an arithmetic number, because the mean of its divisors is an integer number (75776320).

Almost surely, 2^409192101 is an apocalyptic number.

It is an amenable number.

409192101 is a deficient number, since it is larger than the sum of its proper divisors (197018459).

409192101 is a wasteful number, since it uses less digits than its factorization.

409192101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15155272 (or 15155266 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 409192101 is about 20228.4972501667. The cubic root of 409192101 is about 742.4076081345.

It can be divided in two parts, 409 and 192101, that added together give a triangular number (192510 = T₆₂₀).

The spelling of 409192101 in words is "four hundred nine million, one hundred ninety-two thousand, one hundred one".