1090472101 has 4 divisors (see below), whose sum is σ = 1106747872. Its totient is φ = 1074196332.

The previous prime is 1090472093. The next prime is 1090472107. The reversal of 1090472101 is 1012740901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1090472101 - 2³ = 1090472093 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 (1090472107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8137785 + ... + 8137918.

It is an arithmetic number, because the mean of its divisors is an integer number (276686968).

Almost surely, 2^1090472101 is an apocalyptic number.

It is an amenable number.

1090472101 is a deficient number, since it is larger than the sum of its proper divisors (16275771).

1090472101 is an equidigital number, since it uses as much as digits as its factorization.

1090472101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16275770.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1090472101 is about 33022.2970279174. The cubic root of 1090472101 is about 1029.2910259169.

The spelling of 1090472101 in words is "one billion, ninety million, four hundred seventy-two thousand, one hundred one".