112661749 has 4 divisors (see below), whose sum is σ = 112781664. Its totient is φ = 112541836.

The previous prime is 112661741. The next prime is 112661767. The reversal of 112661749 is 947166211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 947166211 = 8059 ⋅117529.

It is a cyclic number.

It is not a de Polignac number, because 112661749 - 2³ = 112661741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112661741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58537 + ... + 60430.

It is an arithmetic number, because the mean of its divisors is an integer number (28195416).

Almost surely, 2^112661749 is an apocalyptic number.

It is an amenable number.

112661749 is a deficient number, since it is larger than the sum of its proper divisors (119915).

112661749 is an equidigital number, since it uses as much as digits as its factorization.

112661749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119914.

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

The square root of 112661749 is about 10614.2239000315. The cubic root of 112661749 is about 482.9759399446.

The spelling of 112661749 in words is "one hundred twelve million, six hundred sixty-one thousand, seven hundred forty-nine".