1161272654 has 8 divisors (see below), whose sum is σ = 1742521008. Its totient is φ = 580432320.

The previous prime is 1161272627. The next prime is 1161272657. The reversal of 1161272654 is 4562721611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161272657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94787 + ... + 106334.

It is an arithmetic number, because the mean of its divisors is an integer number (217815126).

Almost surely, 2^1161272654 is an apocalyptic number.

1161272654 is a deficient number, since it is larger than the sum of its proper divisors (581248354).

1161272654 is a wasteful number, since it uses less digits than its factorization.

1161272654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204010.

The product of its digits is 20160, while the sum is 35.

The square root of 1161272654 is about 34077.4508142848. The cubic root of 1161272654 is about 1051.1016869127.

The spelling of 1161272654 in words is "one billion, one hundred sixty-one million, two hundred seventy-two thousand, six hundred fifty-four".