1456421011 has 8 divisors (see below), whose sum is σ = 1485478400. Its totient is φ = 1427629320.

The previous prime is 1456420967. The next prime is 1456421027. The reversal of 1456421011 is 1101246541.

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 1456421011 - 2¹⁵ = 1456388243 is a prime.

It is a super-2 number, since 2×1456421011² = 4242324322564524242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1456421711) 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, 55335 + ... + 77296.

It is an arithmetic number, because the mean of its divisors is an integer number (185684800).

Almost surely, 2^1456421011 is an apocalyptic number.

1456421011 is a deficient number, since it is larger than the sum of its proper divisors (29057389).

1456421011 is a wasteful number, since it uses less digits than its factorization.

1456421011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132849.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1456421011 is about 38163.0844010282. The cubic root of 1456421011 is about 1133.5194551783.

Adding to 1456421011 its reverse (1101246541), we get a palindrome (2557667552).

It can be divided in two parts, 145 and 6421011, that added together give a square (6421156 = 2534²).

The spelling of 1456421011 in words is "one billion, four hundred fifty-six million, four hundred twenty-one thousand, eleven".