1115420554 has 8 divisors (see below), whose sum is σ = 1673690148. Its totient is φ = 557523840.

The previous prime is 1115420549. The next prime is 1115420561. The reversal of 1115420554 is 4550245111.

It can be written as a sum of positive squares in 2 ways, for example, as 1100713329 + 14707225 = 33177^2 + 3835^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85617 + ... + 97780.

Almost surely, 2^1115420554 is an apocalyptic number.

1115420554 is a deficient number, since it is larger than the sum of its proper divisors (558269594).

1115420554 is a wasteful number, since it uses less digits than its factorization.

1115420554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186440.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 1115420554 is about 33397.9124197906. The cubic root of 1115420554 is about 1037.0814853143.

Adding to 1115420554 its reverse (4550245111), we get a palindrome (5665665665).

The spelling of 1115420554 in words is "one billion, one hundred fifteen million, four hundred twenty thousand, five hundred fifty-four".