1234921453 has 8 divisors (see below), whose sum is σ = 1256642240. Its totient is φ = 1213384320.

The previous prime is 1234921439. The next prime is 1234921459. The reversal of 1234921453 is 3541294321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1234921453 - 2²⁹ = 698050541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234921459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32313 + ... + 59278.

It is an arithmetic number, because the mean of its divisors is an integer number (157080280).

Almost surely, 2^1234921453 is an apocalyptic number.

It is an amenable number.

1234921453 is a deficient number, since it is larger than the sum of its proper divisors (21720787).

1234921453 is an equidigital number, since it uses as much as digits as its factorization.

1234921453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91827.

The product of its digits is 25920, while the sum is 34.

The square root of 1234921453 is about 35141.4492159899. The cubic root of 1234921453 is about 1072.8683782641.

The spelling of 1234921453 in words is "one billion, two hundred thirty-four million, nine hundred twenty-one thousand, four hundred fifty-three".