112731550 has 48 divisors (see below), whose sum is σ = 216986112. Its totient is φ = 43545600.

The previous prime is 112731527. The next prime is 112731551. The reversal of 112731550 is 55137211.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112731551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260134 + ... + 260566.

It is an arithmetic number, because the mean of its divisors is an integer number (4520544).

Almost surely, 2^112731550 is an apocalyptic number.

112731550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112731550 is a deficient number, since it is larger than the sum of its proper divisors (104254562).

112731550 is a wasteful number, since it uses less digits than its factorization.

112731550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 112731550 is about 10617.5114786846. The cubic root of 112731550 is about 483.0756639533.

Adding to 112731550 its reverse (55137211), we get a palindrome (167868761).

The spelling of 112731550 in words is "one hundred twelve million, seven hundred thirty-one thousand, five hundred fifty".