1203001 has 4 divisors (see below), whose sum is σ = 1214352. Its totient is φ = 1191652.

The previous prime is 1202987. The next prime is 1203019. The reversal of 1203001 is 1003021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1003021 = 193 ⋅5197.

It is a cyclic number.

It is not a de Polignac number, because 1203001 - 2¹⁵ = 1170233 is a prime.

It is a super-2 number, since 2×1203001² = 2894422812002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203101) 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 3 ways as a sum of consecutive naturals, for example, 5515 + ... + 5728.

It is an arithmetic number, because the mean of its divisors is an integer number (303588).

2^1203001 is an apocalyptic number.

It is an amenable number.

1203001 is a deficient number, since it is larger than the sum of its proper divisors (11351).

1203001 is a wasteful number, since it uses less digits than its factorization.

1203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11350.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 1203001 is about 1096.8140225216. The cubic root of 1203001 is about 106.3543675748.

Adding to 1203001 its reverse (1003021), we get a palindrome (2206022).

The spelling of 1203001 in words is "one million, two hundred three thousand, one".