1201233001 has 4 divisors (see below), whose sum is σ = 1202625792. Its totient is φ = 1199840212.

The previous prime is 1201232959. The next prime is 1201233013. The reversal of 1201233001 is 1003321021.

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 1201233001 - 2¹³ = 1201224809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201233091) 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, 695101 + ... + 696826.

It is an arithmetic number, because the mean of its divisors is an integer number (300656448).

Almost surely, 2^1201233001 is an apocalyptic number.

It is an amenable number.

1201233001 is a deficient number, since it is larger than the sum of its proper divisors (1392791).

1201233001 is an equidigital number, since it uses as much as digits as its factorization.

1201233001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392790.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1201233001 is about 34658.8084186401. The cubic root of 1201233001 is about 1063.0224054522.

Adding to 1201233001 its reverse (1003321021), we get a palindrome (2204554022).

The spelling of 1201233001 in words is "one billion, two hundred one million, two hundred thirty-three thousand, one".