1072361 has 4 divisors (see below), whose sum is σ = 1084500. Its totient is φ = 1060224.

The previous prime is 1072339. The next prime is 1072363. The reversal of 1072361 is 1632701.

1072361 = T₈ + T₉ + ... + T₁₈₅.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 462400 + 609961 = 680^2 + 781^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072361 - 2¹⁰ = 1071337 is a prime.

It is a super-2 number, since 2×1072361² = 2299916228642, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5936 + ... + 6113.

It is an arithmetic number, because the mean of its divisors is an integer number (271125).

2^1072361 is an apocalyptic number.

It is an amenable number.

1072361 is a deficient number, since it is larger than the sum of its proper divisors (12139).

1072361 is an equidigital number, since it uses as much as digits as its factorization.

1072361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12138.

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

The square root of 1072361 is about 1035.5486468534. The cubic root of 1072361 is about 102.3560859574.

The spelling of 1072361 in words is "one million, seventy-two thousand, three hundred sixty-one".