1074377221 has 2 divisors, whose sum is σ = 1074377222. Its totient is φ = 1074377220.

The previous prime is 1074377191. The next prime is 1074377233. The reversal of 1074377221 is 1227734701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 869601121 + 204776100 = 29489^2 + 14310^2 .

It is an emirp because it is prime and its reverse (1227734701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1074377221 - 2⁵ = 1074377189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074375221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537188610 + 537188611.

It is an arithmetic number, because the mean of its divisors is an integer number (537188611).

Almost surely, 2^1074377221 is an apocalyptic number.

It is an amenable number.

1074377221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074377221 is an equidigital number, since it uses as much as digits as its factorization.

1074377221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 1074377221 is about 32777.6939548834. The cubic root of 1074377221 is about 1024.2019474370.

The spelling of 1074377221 in words is "one billion, seventy-four million, three hundred seventy-seven thousand, two hundred twenty-one".