1061841921 has 16 divisors (see below), whose sum is σ = 1632892800. Its totient is φ = 601198848.

The previous prime is 1061841919. The next prime is 1061841941. The reversal of 1061841921 is 1291481601.

It is not a de Polignac number, because 1061841921 - 2¹ = 1061841919 is a prime.

It is a super-2 number, since 2×1061841921² = 2255016530385940482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061841901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229656 + ... + 234233.

It is an arithmetic number, because the mean of its divisors is an integer number (102055800).

Almost surely, 2^1061841921 is an apocalyptic number.

It is an amenable number.

1061841921 is a deficient number, since it is larger than the sum of its proper divisors (571050879).

1061841921 is a wasteful number, since it uses less digits than its factorization.

1061841921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464008.

The product of its (nonzero) digits is 3456, while the sum is 33.

The square root of 1061841921 is about 32585.9159914218. The cubic root of 1061841921 is about 1020.2030612636.

The spelling of 1061841921 in words is "one billion, sixty-one million, eight hundred forty-one thousand, nine hundred twenty-one".