1241021453 has 8 divisors (see below), whose sum is σ = 1418531520. Its totient is φ = 1063566720.

The previous prime is 1241021449. The next prime is 1241021473. The reversal of 1241021453 is 3541201421.

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 1241021453 - 2² = 1241021449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241021413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61853 + ... + 79421.

It is an arithmetic number, because the mean of its divisors is an integer number (177316440).

Almost surely, 2^1241021453 is an apocalyptic number.

It is an amenable number.

1241021453 is a deficient number, since it is larger than the sum of its proper divisors (177510067).

1241021453 is a wasteful number, since it uses less digits than its factorization.

1241021453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27667.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1241021453 is about 35228.1343956787. The cubic root of 1241021453 is about 1074.6319859453.

Adding to 1241021453 its reverse (3541201421), we get a palindrome (4782222874).

The spelling of 1241021453 in words is "one billion, two hundred forty-one million, twenty-one thousand, four hundred fifty-three".