1071632 has 10 divisors (see below), whose sum is σ = 2076318. Its totient is φ = 535808.

The previous prime is 1071601. The next prime is 1071641. The reversal of 1071632 is 2361701.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 456976 = 784^2 + 676^2 .

It is a super-2 number, since 2×1071632² = 2296790286848, 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, 33473 + ... + 33504.

2^1071632 is an apocalyptic number.

It is an amenable number.

1071632 is a deficient number, since it is larger than the sum of its proper divisors (1004686).

1071632 is an equidigital number, since it uses as much as digits as its factorization.

1071632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66985 (or 66979 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1071632 is about 1035.1965996853. The cubic root of 1071632 is about 102.3328865244.

The spelling of 1071632 in words is "one million, seventy-one thousand, six hundred thirty-two".