1461521061 has 48 divisors (see below), whose sum is σ = 2834482560. Its totient is φ = 700824960.

The previous prime is 1461521027. The next prime is 1461521063. The reversal of 1461521061 is 1601251641.

It is not a de Polignac number, because 1461521061 - 2⁷ = 1461520933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461521063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72106 + ... + 90123.

It is an arithmetic number, because the mean of its divisors is an integer number (59051720).

Almost surely, 2^1461521061 is an apocalyptic number.

1461521061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1461521061 is a deficient number, since it is larger than the sum of its proper divisors (1372961499).

1461521061 is a wasteful number, since it uses less digits than its factorization.

1461521061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162266 (or 162263 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1461521061 is about 38229.8451605549. The cubic root of 1461521061 is about 1134.8410215466.

The spelling of 1461521061 in words is "one billion, four hundred sixty-one million, five hundred twenty-one thousand, sixty-one".