1227672601 has 4 divisors (see below), whose sum is σ = 1228002100. Its totient is φ = 1227343104.

The previous prime is 1227672583. The next prime is 1227672613. The reversal of 1227672601 is 1062767221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 975625225 + 252047376 = 31235^2 + 15876^2 .

It is a cyclic number.

It is not a de Polignac number, because 1227672601 - 2¹¹ = 1227670553 is a prime.

It is a super-2 number, since 2×1227672601² = 3014360030492210402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1227672001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159096 + ... + 166633.

It is an arithmetic number, because the mean of its divisors is an integer number (307000525).

Almost surely, 2^1227672601 is an apocalyptic number.

It is an amenable number.

1227672601 is a deficient number, since it is larger than the sum of its proper divisors (329499).

1227672601 is an equidigital number, since it uses as much as digits as its factorization.

1227672601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329498.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1227672601 is about 35038.1592124929. The cubic root of 1227672601 is about 1070.7650513081.

The spelling of 1227672601 in words is "one billion, two hundred twenty-seven million, six hundred seventy-two thousand, six hundred one".