1150501421 has 24 divisors (see below), whose sum is σ = 1232661024. Its totient is φ = 1072764000.

The previous prime is 1150501409. The next prime is 1150501441. The reversal of 1150501421 is 1241050511.

It is a de Polignac number, because none of the positive numbers 2^k-1150501421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1150501393 and 1150501402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150501441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4583546 + ... + 4583796.

It is an arithmetic number, because the mean of its divisors is an integer number (51360876).

Almost surely, 2^1150501421 is an apocalyptic number.

It is an amenable number.

1150501421 is a deficient number, since it is larger than the sum of its proper divisors (82159603).

1150501421 is an equidigital number, since it uses as much as digits as its factorization.

1150501421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1150501421 is about 33919.0421592356. The cubic root of 1150501421 is about 1047.8418016384.

Adding to 1150501421 its reverse (1241050511), we get a palindrome (2391551932).

The spelling of 1150501421 in words is "one billion, one hundred fifty million, five hundred one thousand, four hundred twenty-one".