1146457 has 8 divisors (see below), whose sum is σ = 1277640. Its totient is φ = 1021440.

The previous prime is 1146421. The next prime is 1146461. The reversal of 1146457 is 7546411.

It can be written as a sum of positive squares in 4 ways, for example, as 292681 + 853776 = 541^2 + 924^2 .

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 1146457 - 2⁷ = 1146329 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146407) 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, 1144 + ... + 1897.

It is an arithmetic number, because the mean of its divisors is an integer number (159705).

2^1146457 is an apocalyptic number.

It is an amenable number.

1146457 is a deficient number, since it is larger than the sum of its proper divisors (131183).

1146457 is a wasteful number, since it uses less digits than its factorization.

1146457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083.

The product of its digits is 3360, while the sum is 28.

The square root of 1146457 is about 1070.7273228979. The cubic root of 1146457 is about 104.6612514722.

The spelling of 1146457 in words is "one million, one hundred forty-six thousand, four hundred fifty-seven".