1205215032 has 32 divisors (see below), whose sum is σ = 3443472000. Its totient is φ = 344347104.

The previous prime is 1205215021. The next prime is 1205215069. The reversal of 1205215032 is 2305125021.

It is a super-2 number, since 2×1205215032² = 2905086546717522048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586782 + ... + 3587117.

It is an arithmetic number, because the mean of its divisors is an integer number (107608500).

Almost surely, 2^1205215032 is an apocalyptic number.

1205215032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1205215032 is an abundant number, since it is smaller than the sum of its proper divisors (2238256968).

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

1205215032 is a wasteful number, since it uses less digits than its factorization.

1205215032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173915 (or 7173911 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1205215032 is about 34716.2070508862. The cubic root of 1205215032 is about 1064.1957330187.

The spelling of 1205215032 in words is "one billion, two hundred five million, two hundred fifteen thousand, thirty-two".