1162861005 has 16 divisors (see below), whose sum is σ = 1861052544. Its totient is φ = 620034240.

The previous prime is 1162861003. The next prime is 1162861061. The reversal of 1162861005 is 5001682611.

It is not a de Polignac number, because 1162861005 - 2¹ = 1162861003 is a prime.

It is a super-2 number, since 2×1162861005² = 2704491433899220050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162861001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73512 + ... + 87918.

It is an arithmetic number, because the mean of its divisors is an integer number (116315784).

Almost surely, 2^1162861005 is an apocalyptic number.

1162861005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1162861005 is a deficient number, since it is larger than the sum of its proper divisors (698191539).

1162861005 is a wasteful number, since it uses less digits than its factorization.

1162861005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19796.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1162861005 is about 34100.7478656994. The cubic root of 1162861005 is about 1051.5806895014.

The spelling of 1162861005 in words is "one billion, one hundred sixty-two million, eight hundred sixty-one thousand, five".