111373742 has 4 divisors (see below), whose sum is σ = 167060616. Its totient is φ = 55686870.

The previous prime is 111373709. The next prime is 111373747. The reversal of 111373742 is 247373111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247373111 = 487 ⋅507953.

It is a super-2 number, since 2×111373742² = 24808220814165128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111373747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27843434 + ... + 27843437.

It is an arithmetic number, because the mean of its divisors is an integer number (41765154).

Almost surely, 2^111373742 is an apocalyptic number.

111373742 is a deficient number, since it is larger than the sum of its proper divisors (55686874).

111373742 is an equidigital number, since it uses as much as digits as its factorization.

111373742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55686873.

The product of its digits is 3528, while the sum is 29.

The square root of 111373742 is about 10553.3758579897. The cubic root of 111373742 is about 481.1283380096.

The spelling of 111373742 in words is "one hundred eleven million, three hundred seventy-three thousand, seven hundred forty-two".