1080400115 has 8 divisors (see below), whose sum is σ = 1300218480. Its totient is φ = 861827872.

The previous prime is 1080400109. The next prime is 1080400117. The reversal of 1080400115 is 5110040801.

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 1080400115 - 2³⁰ = 6658291 is a prime.

It is a super-3 number, since 3×1080400115³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1080400117) 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, 309620 + ... + 313089.

It is an arithmetic number, because the mean of its divisors is an integer number (162527310).

Almost surely, 2^1080400115 is an apocalyptic number.

1080400115 is a deficient number, since it is larger than the sum of its proper divisors (219818365).

1080400115 is an equidigital number, since it uses as much as digits as its factorization.

1080400115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623061.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1080400115 is about 32869.4404424535. The cubic root of 1080400115 is about 1026.1122536637.

Adding to 1080400115 its reverse (5110040801), we get a palindrome (6190440916).

The spelling of 1080400115 in words is "one billion, eighty million, four hundred thousand, one hundred fifteen".