1207891441 has 8 divisors (see below), whose sum is σ = 1250228520. Its totient is φ = 1165600128.

The previous prime is 1207891423. The next prime is 1207891453. The reversal of 1207891441 is 1441987021.

It can be written as a sum of positive squares in 4 ways, for example, as 190026225 + 1017865216 = 13785^2 + 31904^2 .

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 1207891441 - 2¹⁹ = 1207367153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1207891441.

It is not an unprimeable number, because it can be changed into a prime (1207891141) 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, 47485 + ... + 68341.

It is an arithmetic number, because the mean of its divisors is an integer number (156278565).

Almost surely, 2^1207891441 is an apocalyptic number.

It is an amenable number.

1207891441 is a deficient number, since it is larger than the sum of its proper divisors (42337079).

1207891441 is a wasteful number, since it uses less digits than its factorization.

1207891441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22883.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1207891441 is about 34754.7326417569. The cubic root of 1207891441 is about 1064.9829002375.

The spelling of 1207891441 in words is "one billion, two hundred seven million, eight hundred ninety-one thousand, four hundred forty-one".