1041721540 has 24 divisors (see below), whose sum is σ = 2189319552. Its totient is φ = 416364000.

The previous prime is 1041721517. The next prime is 1041721567. The reversal of 1041721540 is 451271401.

1041721540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6915 + ... + 46165.

It is an arithmetic number, because the mean of its divisors is an integer number (91221648).

Almost surely, 2^1041721540 is an apocalyptic number.

1041721540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1041721540 is an abundant number, since it is smaller than the sum of its proper divisors (1147598012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1041721540 is a wasteful number, since it uses less digits than its factorization.

1041721540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40587 (or 40585 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1041721540 is about 32275.7113012246. The cubic root of 1041721540 is about 1013.7181323202.

Adding to 1041721540 its reverse (451271401), we get a palindrome (1492992941).

The spelling of 1041721540 in words is "one billion, forty-one million, seven hundred twenty-one thousand, five hundred forty".