1061977 has 6 divisors (see below), whose sum is σ = 1235418. Its totient is φ = 910224.

The previous prime is 1061969. The next prime is 1061993. The reversal of 1061977 is 7791601.

It can be written as a sum of positive squares in only one way, i.e., 1058841 + 3136 = 1029^2 + 56^2 .

It is not a de Polignac number, because 1061977 - 2³ = 1061969 is a prime.

It is a super-2 number, since 2×1061977² = 2255590297058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10788 + ... + 10885.

It is an arithmetic number, because the mean of its divisors is an integer number (205903).

2^1061977 is an apocalyptic number.

It is an amenable number.

1061977 is a deficient number, since it is larger than the sum of its proper divisors (173441).

1061977 is an equidigital number, since it uses as much as digits as its factorization.

1061977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21687 (or 21680 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 31.

The square root of 1061977 is about 1030.5226829139. The cubic root of 1061977 is about 102.0246320109.

The spelling of 1061977 in words is "one million, sixty-one thousand, nine hundred seventy-seven".