1276452201 has 4 divisors (see below), whose sum is σ = 1701936272. Its totient is φ = 850968132.

The previous prime is 1276452193. The next prime is 1276452253. The reversal of 1276452201 is 1022546721.

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 not a de Polignac number, because 1276452201 - 2³ = 1276452193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1276452101) 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, 212742031 + ... + 212742036.

It is an arithmetic number, because the mean of its divisors is an integer number (425484068).

Almost surely, 2^1276452201 is an apocalyptic number.

It is an amenable number.

1276452201 is a deficient number, since it is larger than the sum of its proper divisors (425484071).

1276452201 is an equidigital number, since it uses as much as digits as its factorization.

1276452201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425484070.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1276452201 is about 35727.4712371307. The cubic root of 1276452201 is about 1084.7629717173.

Adding to 1276452201 its reverse (1022546721), we get a palindrome (2298998922).

The spelling of 1276452201 in words is "one billion, two hundred seventy-six million, four hundred fifty-two thousand, two hundred one".