1161055074 has 16 divisors (see below), whose sum is σ = 2343813408. Its totient is φ = 383401152.

The previous prime is 1161055067. The next prime is 1161055081. The reversal of 1161055074 is 4705501611.

It is an interprime number because it is at equal distance from previous prime (1161055067) and next prime (1161055081).

It is a super-2 number, since 2×1161055074² = 2696097769722290952, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903607 + ... + 904890.

It is an arithmetic number, because the mean of its divisors is an integer number (146488338).

Almost surely, 2^1161055074 is an apocalyptic number.

1161055074 is an abundant number, since it is smaller than the sum of its proper divisors (1182758334).

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

1161055074 is a wasteful number, since it uses less digits than its factorization.

1161055074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808609.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1161055074 is about 34074.2582311046. The cubic root of 1161055074 is about 1051.0360368149.

Adding to 1161055074 its reverse (4705501611), we get a palindrome (5866556685).

The spelling of 1161055074 in words is "one billion, one hundred sixty-one million, fifty-five thousand, seventy-four".