1241021445 has 8 divisors (see below), whose sum is σ = 1985634336. Its totient is φ = 661878096.

The previous prime is 1241021413. The next prime is 1241021449. The reversal of 1241021445 is 5441201421.

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

It is not a de Polignac number, because 1241021445 - 2⁵ = 1241021413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241021449) 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, 41367367 + ... + 41367396.

It is an arithmetic number, because the mean of its divisors is an integer number (248204292).

Almost surely, 2^1241021445 is an apocalyptic number.

1241021445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1241021445 is a deficient number, since it is larger than the sum of its proper divisors (744612891).

1241021445 is an equidigital number, since it uses as much as digits as its factorization.

1241021445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82734771.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1241021445 is about 35228.1342821331. The cubic root of 1241021445 is about 1074.6319836362.

Adding to 1241021445 its reverse (5441201421), we get a palindrome (6682222866).

The spelling of 1241021445 in words is "one billion, two hundred forty-one million, twenty-one thousand, four hundred forty-five".