1150020401 has 8 divisors (see below), whose sum is σ = 1200750144. Its totient is φ = 1099351440.

The previous prime is 1150020397. The next prime is 1150020407. The reversal of 1150020401 is 1040200511.

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 1150020401 - 2² = 1150020397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1150020407) 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, 25871 + ... + 54491.

It is an arithmetic number, because the mean of its divisors is an integer number (150093768).

Almost surely, 2^1150020401 is an apocalyptic number.

It is an amenable number.

1150020401 is a deficient number, since it is larger than the sum of its proper divisors (50729743).

1150020401 is a wasteful number, since it uses less digits than its factorization.

1150020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30391.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1150020401 is about 33911.9507106271. The cubic root of 1150020401 is about 1047.6957484726.

Adding to 1150020401 its reverse (1040200511), we get a palindrome (2190220912).

The spelling of 1150020401 in words is "one billion, one hundred fifty million, twenty thousand, four hundred one".