1200461321 has 4 divisors (see below), whose sum is σ = 1200532992. Its totient is φ = 1200389652.

The previous prime is 1200461257. The next prime is 1200461369. The reversal of 1200461321 is 1231640021.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1200461321 - 2⁶ = 1200461257 is a prime.

It is a super-3 number, since 3×1200461321³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200461293 and 1200461302.

It is not an unprimeable number, because it can be changed into a prime (1200461371) 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, 4196 + ... + 49178.

It is an arithmetic number, because the mean of its divisors is an integer number (300133248).

Almost surely, 2^1200461321 is an apocalyptic number.

It is an amenable number.

1200461321 is a deficient number, since it is larger than the sum of its proper divisors (71671).

1200461321 is an equidigital number, since it uses as much as digits as its factorization.

1200461321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71670.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1200461321 is about 34647.6741066410. The cubic root of 1200461321 is about 1062.7947258235.

The spelling of 1200461321 in words is "one billion, two hundred million, four hundred sixty-one thousand, three hundred twenty-one".