1461149 has 4 divisors (see below), whose sum is σ = 1468764. Its totient is φ = 1453536.

The previous prime is 1461139. The next prime is 1461151. The reversal of 1461149 is 9411641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9411641 = 179 ⋅52579.

It can be written as a sum of positive squares in 2 ways, for example, as 1338649 + 122500 = 1157^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1461149 - 2¹⁶ = 1395613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461139) 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, 3512 + ... + 3905.

It is an arithmetic number, because the mean of its divisors is an integer number (367191).

2^1461149 is an apocalyptic number.

It is an amenable number.

1461149 is a deficient number, since it is larger than the sum of its proper divisors (7615).

1461149 is an equidigital number, since it uses as much as digits as its factorization.

1461149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614.

The product of its digits is 864, while the sum is 26.

The square root of 1461149 is about 1208.7799634342. The cubic root of 1461149 is about 113.4744714138.

It can be divided in two parts, 14 and 61149, that multiplied together give a triangular number (856086 = T₁₃₀₈).

The spelling of 1461149 in words is "one million, four hundred sixty-one thousand, one hundred forty-nine".