1150427 has 4 divisors (see below), whose sum is σ = 1154040. Its totient is φ = 1146816.

The previous prime is 1150423. The next prime is 1150447. The reversal of 1150427 is 7240511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7240511 = 859 ⋅8429.

It is a cyclic number.

It is not a de Polignac number, because 1150427 - 2² = 1150423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1150399 and 1150408.

It is not an unprimeable number, because it can be changed into a prime (1150421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277 + ... + 1982.

It is an arithmetic number, because the mean of its divisors is an integer number (288510).

2^1150427 is an apocalyptic number.

1150427 is a deficient number, since it is larger than the sum of its proper divisors (3613).

1150427 is an equidigital number, since it uses as much as digits as its factorization.

1150427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1150427 is about 1072.5796007756. The cubic root of 1150427 is about 104.7819207688.

Adding to 1150427 its reverse (7240511), we get a palindrome (8390938).

The spelling of 1150427 in words is "one million, one hundred fifty thousand, four hundred twenty-seven".