1152212505 has 16 divisors (see below), whose sum is σ = 1844505024. Its totient is φ = 614191680.

The previous prime is 1152212461. The next prime is 1152212507. The reversal of 1152212505 is 5052122511.

It is not a de Polignac number, because 1152212505 - 2⁶ = 1152212441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1152212507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11067 + ... + 49263.

It is an arithmetic number, because the mean of its divisors is an integer number (115281564).

Almost surely, 2^1152212505 is an apocalyptic number.

1152212505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1152212505 is a deficient number, since it is larger than the sum of its proper divisors (692292519).

1152212505 is a wasteful number, since it uses less digits than its factorization.

1152212505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40216.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1152212505 is about 33944.2558469029. The cubic root of 1152212505 is about 1048.3610121291.

The spelling of 1152212505 in words is "one billion, one hundred fifty-two million, two hundred twelve thousand, five hundred five".