1457118 has 36 divisors (see below), whose sum is σ = 3425760. Its totient is φ = 447408.

The previous prime is 1457111. The next prime is 1457143. The reversal of 1457118 is 8117541.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1457091 and 1457100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457111) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2803 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (95160).

2^1457118 is an apocalyptic number.

1457118 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1457118, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1712880).

1457118 is an abundant number, since it is smaller than the sum of its proper divisors (1968642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1457118 is a wasteful number, since it uses less digits than its factorization.

1457118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 497 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1457118 is about 1207.1114281623. Note that the first 3 decimals coincide. The cubic root of 1457118 is about 113.3700246444.

The spelling of 1457118 in words is "one million, four hundred fifty-seven thousand, one hundred eighteen".