1051518 has 48 divisors (see below), whose sum is σ = 2450736. Its totient is φ = 299520.

The previous prime is 1051507. The next prime is 1051543. The reversal of 1051518 is 8151501.

It is a super-2 number, since 2×1051518² = 2211380208648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051494 and 1051503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17208 + ... + 17268.

It is an arithmetic number, because the mean of its divisors is an integer number (51057).

2^1051518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225368).

1051518 is an abundant number, since it is smaller than the sum of its proper divisors (1399218).

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

1051518 is a wasteful number, since it uses less digits than its factorization.

1051518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 1051518 is about 1025.4355172316. The cubic root of 1051518 is about 101.6885927209.

The spelling of 1051518 in words is "one million, fifty-one thousand, five hundred eighteen".