1061978 has 4 divisors (see below), whose sum is σ = 1592970. Its totient is φ = 530988.

The previous prime is 1061969. The next prime is 1061993. The reversal of 1061978 is 8791601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 717409 + 344569 = 847^2 + 587^2 .

It is a super-2 number, since 2×1061978² = 2255594544968, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265493 + ... + 265496.

2^1061978 is an apocalyptic number.

1061978 is a deficient number, since it is larger than the sum of its proper divisors (530992).

1061978 is an equidigital number, since it uses as much as digits as its factorization.

1061978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530991.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 1061978 is about 1030.5231681044. The cubic root of 1061978 is about 102.0246640344.

The spelling of 1061978 in words is "one million, sixty-one thousand, nine hundred seventy-eight".