1103870149 has 4 divisors (see below), whose sum is σ = 1104041536. Its totient is φ = 1103698764.

The previous prime is 1103870143. The next prime is 1103870161. The reversal of 1103870149 is 9410783011.

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 1103870149 - 2⁷ = 1103870021 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 (1103870143) 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, 75639 + ... + 89044.

It is an arithmetic number, because the mean of its divisors is an integer number (276010384).

Almost surely, 2^1103870149 is an apocalyptic number.

It is an amenable number.

1103870149 is a deficient number, since it is larger than the sum of its proper divisors (171387).

1103870149 is an equidigital number, since it uses as much as digits as its factorization.

1103870149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171386.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 1103870149 is about 33224.5413662853. The cubic root of 1103870149 is about 1033.4893280855.

The spelling of 1103870149 in words is "one billion, one hundred three million, eight hundred seventy thousand, one hundred forty-nine".