1012357505 has 16 divisors (see below), whose sum is σ = 1242216000. Its totient is φ = 791738688.

The previous prime is 1012357499. The next prime is 1012357517. The reversal of 1012357505 is 5057532101.

It is a happy number.

1012357505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1012357505 - 2¹² = 1012353409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68246 + ... + 81744.

It is an arithmetic number, because the mean of its divisors is an integer number (77638500).

Almost surely, 2^1012357505 is an apocalyptic number.

It is an amenable number.

1012357505 is a deficient number, since it is larger than the sum of its proper divisors (229858495).

1012357505 is a wasteful number, since it uses less digits than its factorization.

1012357505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13840.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 1012357505 is about 31817.5659817026. The cubic root of 1012357505 is about 1004.1023163215.

Adding to 1012357505 its reverse (5057532101), we get a palindrome (6069889606).

The spelling of 1012357505 in words is "one billion, twelve million, three hundred fifty-seven thousand, five hundred five".