1051947 has 32 divisors (see below), whose sum is σ = 1744960. Its totient is φ = 629856.

The previous prime is 1051927. The next prime is 1051949. The reversal of 1051947 is 7491501.

It is not a de Polignac number, because 1051947 - 2⁷ = 1051819 is a prime.

It is a super-2 number, since 2×1051947² = 2213184981618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1051947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051949) 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, 28413 + ... + 28449.

It is an arithmetic number, because the mean of its divisors is an integer number (54530).

2^1051947 is an apocalyptic number.

1051947 is a deficient number, since it is larger than the sum of its proper divisors (693013).

1051947 is an frugal number, since it uses more digits than its factorization.

1051947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1051947 is about 1025.6446753140. The cubic root of 1051947 is about 101.7024198657.

The spelling of 1051947 in words is "one million, fifty-one thousand, nine hundred forty-seven".