1174640321 has 2 divisors, whose sum is σ = 1174640322. Its totient is φ = 1174640320.

The previous prime is 1174640303. The next prime is 1174640351. The reversal of 1174640321 is 1230464711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 947716225 + 226924096 = 30785^2 + 15064^2 .

It is a cyclic number.

It is not a de Polignac number, because 1174640321 - 2¹⁴ = 1174623937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1174640351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 587320160 + 587320161.

It is an arithmetic number, because the mean of its divisors is an integer number (587320161).

Almost surely, 2^1174640321 is an apocalyptic number.

It is an amenable number.

1174640321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1174640321 is an equidigital number, since it uses as much as digits as its factorization.

1174640321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1174640321 is about 34273.0261430181. The cubic root of 1174640321 is about 1055.1194644709.

The spelling of 1174640321 in words is "one billion, one hundred seventy-four million, six hundred forty thousand, three hundred twenty-one".