1009199190 has 32 divisors (see below), whose sum is σ = 2425800960. Its totient is φ = 268706144.

The previous prime is 1009199173. The next prime is 1009199209. The reversal of 1009199190 is 919919001.

It is a super-2 number, since 2×1009199190² = 2036966010193312200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5754 + ... + 45293.

It is an arithmetic number, because the mean of its divisors is an integer number (75806280).

Almost surely, 2^1009199190 is an apocalyptic number.

1009199190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1009199190 is an abundant number, since it is smaller than the sum of its proper divisors (1416601770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1009199190 is a wasteful number, since it uses less digits than its factorization.

1009199190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51716.

The product of its (nonzero) digits is 6561, while the sum is 39.

The square root of 1009199190 is about 31767.8955865824. The cubic root of 1009199190 is about 1003.0570416399.

The spelling of 1009199190 in words is "one billion, nine million, one hundred ninety-nine thousand, one hundred ninety".