1161426097 has 8 divisors (see below), whose sum is σ = 1251544616. Its totient is φ = 1071418752.

The previous prime is 1161426089. The next prime is 1161426103. The reversal of 1161426097 is 7906241611.

It can be written as a sum of positive squares in 4 ways, for example, as 24117921 + 1137308176 = 4911^2 + 33724^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1161426097 - 2³ = 1161426089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161426197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5418 + ... + 48499.

It is an arithmetic number, because the mean of its divisors is an integer number (156443077).

Almost surely, 2^1161426097 is an apocalyptic number.

It is an amenable number.

1161426097 is a deficient number, since it is larger than the sum of its proper divisors (90118519).

1161426097 is a wasteful number, since it uses less digits than its factorization.

1161426097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55587.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1161426097 is about 34079.7021260456. The cubic root of 1161426097 is about 1051.1479801159.

The spelling of 1161426097 in words is "one billion, one hundred sixty-one million, four hundred twenty-six thousand, ninety-seven".