1034723621 has 2 divisors, whose sum is σ = 1034723622. Its totient is φ = 1034723620.

The previous prime is 1034723617. The next prime is 1034723647. The reversal of 1034723621 is 1263274301.

It is a happy number.

1034723621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 869601121 + 165122500 = 29489^2 + 12850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1034723621 - 2² = 1034723617 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1034722621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517361810 + 517361811.

It is an arithmetic number, because the mean of its divisors is an integer number (517361811).

Almost surely, 2^1034723621 is an apocalyptic number.

It is an amenable number.

1034723621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1034723621 is an equidigital number, since it uses as much as digits as its factorization.

1034723621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 1034723621 is about 32167.1201850585. The cubic root of 1034723621 is about 1011.4430964079.

Adding to 1034723621 its reverse (1263274301), we get a palindrome (2297997922).

The spelling of 1034723621 in words is "one billion, thirty-four million, seven hundred twenty-three thousand, six hundred twenty-one".