1142451 has 32 divisors (see below), whose sum is σ = 1900800. Its totient is φ = 673920.

The previous prime is 1142431. The next prime is 1142473. The reversal of 1142451 is 1542411.

It is not a de Polignac number, because 1142451 - 2¹⁴ = 1126067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8656 + ... + 8786.

It is an arithmetic number, because the mean of its divisors is an integer number (59400).

2^1142451 is an apocalyptic number.

1142451 is a deficient number, since it is larger than the sum of its proper divisors (758349).

1142451 is a wasteful number, since it uses less digits than its factorization.

1142451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 170 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 1142451 is about 1068.8549948426. The cubic root of 1142451 is about 104.5392052402.

Adding to 1142451 its reverse (1542411), we get a palindrome (2684862).

The spelling of 1142451 in words is "one million, one hundred forty-two thousand, four hundred fifty-one".