1161126245 has 8 divisors (see below), whose sum is σ = 1400647680. Its totient is φ = 924036880.

The previous prime is 1161126221. The next prime is 1161126269. The reversal of 1161126245 is 5426211611.

It is an interprime number because it is at equal distance from previous prime (1161126221) and next prime (1161126269).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1161126245 - 2¹⁴ = 1161109861 is a prime.

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, 606965 + ... + 608874.

It is an arithmetic number, because the mean of its divisors is an integer number (175080960).

Almost surely, 2^1161126245 is an apocalyptic number.

It is an amenable number.

1161126245 is a deficient number, since it is larger than the sum of its proper divisors (239521435).

1161126245 is a wasteful number, since it uses less digits than its factorization.

1161126245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216035.

The product of its digits is 2880, while the sum is 29.

The square root of 1161126245 is about 34075.3025665217. The cubic root of 1161126245 is about 1051.0575120400.

Adding to 1161126245 its reverse (5426211611), we get a palindrome (6587337856).

The spelling of 1161126245 in words is "one billion, one hundred sixty-one million, one hundred twenty-six thousand, two hundred forty-five".