1131270190 has 16 divisors (see below), whose sum is σ = 2091321792. Its totient is φ = 440277984.

The previous prime is 1131270181. The next prime is 1131270209. The reversal of 1131270190 is 910721311.

It is a super-2 number, since 2×1131270190² = 2559544485565272200, 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 7 ways as a sum of consecutive naturals, for example, 1528374 + ... + 1529113.

It is an arithmetic number, because the mean of its divisors is an integer number (130707612).

Almost surely, 2^1131270190 is an apocalyptic number.

1131270190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131270190 is a deficient number, since it is larger than the sum of its proper divisors (960051602).

1131270190 is a wasteful number, since it uses less digits than its factorization.

1131270190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057531.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1131270190 is about 33634.3602585213. The cubic root of 1131270190 is about 1041.9705581478.

The spelling of 1131270190 in words is "one billion, one hundred thirty-one million, two hundred seventy thousand, one hundred ninety".