1120457 has 8 divisors (see below), whose sum is σ = 1223040. Its totient is φ = 1020240.

The previous prime is 1120429. The next prime is 1120459. The reversal of 1120457 is 7540211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1120457 - 2²⁰ = 71881 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1120459) 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, 482 + ... + 1572.

It is an arithmetic number, because the mean of its divisors is an integer number (152880).

2^1120457 is an apocalyptic number.

It is an amenable number.

1120457 is a deficient number, since it is larger than the sum of its proper divisors (102583).

1120457 is a wasteful number, since it uses less digits than its factorization.

1120457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183.

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

The square root of 1120457 is about 1058.5164146106. The cubic root of 1120457 is about 103.8640049366.

Adding to 1120457 its reverse (7540211), we get a palindrome (8660668).

The spelling of 1120457 in words is "one million, one hundred twenty thousand, four hundred fifty-seven".