1115121374 has 8 divisors (see below), whose sum is σ = 1745407440. Its totient is φ = 533318896.

The previous prime is 1115121373. The next prime is 1115121377. The reversal of 1115121374 is 4731215111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115121373) 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, 12120839 + ... + 12120930.

It is an arithmetic number, because the mean of its divisors is an integer number (218175930).

Almost surely, 2^1115121374 is an apocalyptic number.

1115121374 is a deficient number, since it is larger than the sum of its proper divisors (630286066).

1115121374 is a wasteful number, since it uses less digits than its factorization.

1115121374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24241794.

The product of its digits is 840, while the sum is 26.

The square root of 1115121374 is about 33393.4330969429. The cubic root of 1115121374 is about 1036.9887544358.

Adding to 1115121374 its reverse (4731215111), we get a palindrome (5846336485).

The spelling of 1115121374 in words is "one billion, one hundred fifteen million, one hundred twenty-one thousand, three hundred seventy-four".