112149505 has 16 divisors (see below), whose sum is σ = 145252800. Its totient is φ = 82634688.

The previous prime is 112149503. The next prime is 112149551. The reversal of 112149505 is 505941211.

It is a cyclic number.

It is not a de Polignac number, because 112149505 - 2¹ = 112149503 is a prime.

It is a super-2 number, since 2×112149505² = 25155022943490050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112149503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32346 + ... + 35644.

It is an arithmetic number, because the mean of its divisors is an integer number (9078300).

Almost surely, 2^112149505 is an apocalyptic number.

It is an amenable number.

112149505 is a deficient number, since it is larger than the sum of its proper divisors (33103295).

112149505 is a wasteful number, since it uses less digits than its factorization.

112149505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 112149505 is about 10590.0663359584. The cubic root of 112149505 is about 482.2428386136.

The spelling of 112149505 in words is "one hundred twelve million, one hundred forty-nine thousand, five hundred five".