1612261 has 8 divisors (see below), whose sum is σ = 1856960. Its totient is φ = 1371168.

The previous prime is 1612249. The next prime is 1612267. The reversal of 1612261 is 1622161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1612261 - 2⁷ = 1612133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145 + ... + 1801.

It is an arithmetic number, because the mean of its divisors is an integer number (232120).

2^1612261 is an apocalyptic number.

It is an amenable number.

1612261 is a deficient number, since it is larger than the sum of its proper divisors (244699).

1612261 is a wasteful number, since it uses less digits than its factorization.

1612261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

The product of its digits is 144, while the sum is 19.

The square root of 1612261 is about 1269.7484002746. The cubic root of 1612261 is about 117.2587111244.

The spelling of 1612261 in words is "one million, six hundred twelve thousand, two hundred sixty-one".