1077221401 has 2 divisors, whose sum is σ = 1077221402. Its totient is φ = 1077221400.

The previous prime is 1077221363. The next prime is 1077221407. The reversal of 1077221401 is 1041227701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1007999001 + 69222400 = 31749^2 + 8320^2 .

It is a cyclic number.

It is not a de Polignac number, because 1077221401 - 2⁹ = 1077220889 is a prime.

It is not a weakly prime, because it can be changed into another prime (1077221407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538610700 + 538610701.

It is an arithmetic number, because the mean of its divisors is an integer number (538610701).

Almost surely, 2^1077221401 is an apocalyptic number.

It is an amenable number.

1077221401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1077221401 is an equidigital number, since it uses as much as digits as its factorization.

1077221401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 1077221401 is about 32821.0511867003. The cubic root of 1077221401 is about 1025.1049350431.

The spelling of 1077221401 in words is "one billion, seventy-seven million, two hundred twenty-one thousand, four hundred one".