1021460505 has 24 divisors (see below), whose sum is σ = 1769730048. Its totient is φ = 502871616.

The previous prime is 1021460497. The next prime is 1021460507. The reversal of 1021460505 is 5050641201.

It is not a de Polignac number, because 1021460505 - 2³ = 1021460497 is a prime.

It is a super-5 number, since 5×1021460505⁵ (a number of 46 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (1021460507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198937 + ... + 204006.

It is an arithmetic number, because the mean of its divisors is an integer number (73738752).

Almost surely, 2^1021460505 is an apocalyptic number.

1021460505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1021460505 is a deficient number, since it is larger than the sum of its proper divisors (748269543).

1021460505 is a wasteful number, since it uses less digits than its factorization.

1021460505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402977 (or 402964 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1021460505 is about 31960.2957589569. The cubic root of 1021460505 is about 1007.1029305922.

The spelling of 1021460505 in words is "one billion, twenty-one million, four hundred sixty thousand, five hundred five".