1354721029 has 2 divisors, whose sum is σ = 1354721030. Its totient is φ = 1354721028.

The previous prime is 1354720981. The next prime is 1354721047. The reversal of 1354721029 is 9201274531.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1088868004 + 265853025 = 32998^2 + 16305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354721029 - 2⁹ = 1354720517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1354720985 and 1354721003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354721089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677360514 + 677360515.

It is an arithmetic number, because the mean of its divisors is an integer number (677360515).

Almost surely, 2^1354721029 is an apocalyptic number.

It is an amenable number.

1354721029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354721029 is an equidigital number, since it uses as much as digits as its factorization.

1354721029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1354721029 is about 36806.5351398362. The cubic root of 1354721029 is about 1106.4962780911.

The spelling of 1354721029 in words is "one billion, three hundred fifty-four million, seven hundred twenty-one thousand, twenty-nine".