1112378999 has 8 divisors (see below), whose sum is σ = 1134043632. Its totient is φ = 1090739520.

The previous prime is 1112378987. The next prime is 1112379001. The reversal of 1112378999 is 9998732111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1112378999 - 2¹² = 1112374903 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112378909) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100364 + ... + 110894.

It is an arithmetic number, because the mean of its divisors is an integer number (141755454).

Almost surely, 2^1112378999 is an apocalyptic number.

1112378999 is a deficient number, since it is larger than the sum of its proper divisors (21664633).

1112378999 is a wasteful number, since it uses less digits than its factorization.

1112378999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12577.

The product of its digits is 244944, while the sum is 50.

The square root of 1112378999 is about 33352.3462293135. The cubic root of 1112378999 is about 1036.1379811424.

The spelling of 1112378999 in words is "one billion, one hundred twelve million, three hundred seventy-eight thousand, nine hundred ninety-nine".