1078947 has 16 divisors (see below), whose sum is σ = 1620000. Its totient is φ = 709632.

The previous prime is 1078943. The next prime is 1078951. The reversal of 1078947 is 7498701.

It is an interprime number because it is at equal distance from previous prime (1078943) and next prime (1078951).

It is not a de Polignac number, because 1078947 - 2² = 1078943 is a prime.

It is an alternating number because its digits alternate between odd and even.

1078947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1078943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2179 + ... + 2627.

It is an arithmetic number, because the mean of its divisors is an integer number (101250).

2^1078947 is an apocalyptic number.

1078947 is a deficient number, since it is larger than the sum of its proper divisors (541053).

1078947 is an equidigital number, since it uses as much as digits as its factorization.

1078947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1078947 is about 1038.7237361301. The cubic root of 1078947 is about 102.5652014268.

It can be divided in two parts, 1078 and 947, that added together give a square (2025 = 45²).

The spelling of 1078947 in words is "one million, seventy-eight thousand, nine hundred forty-seven".