1205415632 has 40 divisors (see below), whose sum is σ = 2498753760. Its totient is φ = 561617280.

The previous prime is 1205415611. The next prime is 1205415649. The reversal of 1205415632 is 2365145021.

It is a junction number, because it is equal to n+sod(n) for n = 1205415595 and 1205415604.

It is a congruent number.

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, 13958 + ... + 51045.

It is an arithmetic number, because the mean of its divisors is an integer number (62468844).

Almost surely, 2^1205415632 is an apocalyptic number.

It is an amenable number.

1205415632 is an abundant number, since it is smaller than the sum of its proper divisors (1293338128).

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

1205415632 is a wasteful number, since it uses less digits than its factorization.

1205415632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65091 (or 65085 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1205415632 is about 34719.0960711825. The cubic root of 1205415632 is about 1064.2547725028.

The spelling of 1205415632 in words is "one billion, two hundred five million, four hundred fifteen thousand, six hundred thirty-two".