1361761 has 4 divisors (see below), whose sum is σ = 1420992. Its totient is φ = 1302532.

The previous prime is 1361743. The next prime is 1361777. The reversal of 1361761 is 1671631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1361761 - 2¹⁷ = 1230689 is a prime.

It is a super-2 number, since 2×1361761² = 3708786042242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361741) 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, 29581 + ... + 29626.

It is an arithmetic number, because the mean of its divisors is an integer number (355248).

2^1361761 is an apocalyptic number.

It is an amenable number.

1361761 is a deficient number, since it is larger than the sum of its proper divisors (59231).

1361761 is an equidigital number, since it uses as much as digits as its factorization.

1361761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59230.

The product of its digits is 756, while the sum is 25.

The square root of 1361761 is about 1166.9451572375. The cubic root of 1361761 is about 110.8409647951.

The spelling of 1361761 in words is "one million, three hundred sixty-one thousand, seven hundred sixty-one".