1161422150 has 48 divisors (see below), whose sum is σ = 2614091616. Its totient is φ = 374776320.

The previous prime is 1161422147. The next prime is 1161422183. The reversal of 1161422150 is 512241611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91649 + ... + 103548.

It is an arithmetic number, because the mean of its divisors is an integer number (54460242).

Almost surely, 2^1161422150 is an apocalyptic number.

1161422150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161422150 is an abundant number, since it is smaller than the sum of its proper divisors (1452669466).

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

1161422150 is a wasteful number, since it uses less digits than its factorization.

1161422150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195233 (or 195228 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1161422150 is about 34079.6442176265. The cubic root of 1161422150 is about 1051.1467893712.

Adding to 1161422150 its reverse (512241611), we get a palindrome (1673663761).

The spelling of 1161422150 in words is "one billion, one hundred sixty-one million, four hundred twenty-two thousand, one hundred fifty".