1120001245 has 8 divisors (see below), whose sum is σ = 1466183520. Its totient is φ = 814546320.

The previous prime is 1120001243. The next prime is 1120001251. The reversal of 1120001245 is 5421000211.

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

It is not a de Polignac number, because 1120001245 - 2¹ = 1120001243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120001243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10181775 + ... + 10181884.

It is an arithmetic number, because the mean of its divisors is an integer number (183272940).

Almost surely, 2^1120001245 is an apocalyptic number.

It is an amenable number.

1120001245 is a deficient number, since it is larger than the sum of its proper divisors (346182275).

1120001245 is a wasteful number, since it uses less digits than its factorization.

1120001245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20363675.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1120001245 is about 33466.4196621031. The cubic root of 1120001245 is about 1038.4992051710.

Adding to 1120001245 its reverse (5421000211), we get a palindrome (6541001456).

The spelling of 1120001245 in words is "one billion, one hundred twenty million, one thousand, two hundred forty-five".