1400041221 has 8 divisors (see below), whose sum is σ = 1880151840. Its totient is φ = 926645712.

The previous prime is 1400041219. The next prime is 1400041241. The reversal of 1400041221 is 1221400041.

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

It is not a de Polignac number, because 1400041221 - 2¹ = 1400041219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1400041221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400041241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1678290 + ... + 1679123.

It is an arithmetic number, because the mean of its divisors is an integer number (235018980).

Almost surely, 2^1400041221 is an apocalyptic number.

It is an amenable number.

1400041221 is a deficient number, since it is larger than the sum of its proper divisors (480110619).

1400041221 is a wasteful number, since it uses less digits than its factorization.

1400041221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357555.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1400041221 is about 37417.1247024675. The cubic root of 1400041221 is about 1118.6999213729.

Adding to 1400041221 its reverse (1221400041), we get a palindrome (2621441262).

The spelling of 1400041221 in words is "one billion, four hundred million, forty-one thousand, two hundred twenty-one".