1203481 has 4 divisors (see below), whose sum is σ = 1274292. Its totient is φ = 1132672.

The previous prime is 1203467. The next prime is 1203487. The reversal of 1203481 is 1843021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1843021 = 17 ⋅108413.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 793881 = 640^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203481 - 2¹⁵ = 1170713 is a prime.

It is a super-2 number, since 2×1203481² = 2896733034722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203487) 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, 35380 + ... + 35413.

It is an arithmetic number, because the mean of its divisors is an integer number (318573).

2^1203481 is an apocalyptic number.

It is an amenable number.

1203481 is a deficient number, since it is larger than the sum of its proper divisors (70811).

1203481 is an equidigital number, since it uses as much as digits as its factorization.

1203481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70810.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1203481 is about 1097.0328162822. The cubic root of 1203481 is about 106.3685109014.

The spelling of 1203481 in words is "one million, two hundred three thousand, four hundred eighty-one".