1245156606 has 12 divisors (see below), whose sum is σ = 2697839352. Its totient is φ = 415052196.

The previous prime is 1245156599. The next prime is 1245156617. The reversal of 1245156606 is 6066515421.

1245156606 is a `hidden beast` number, since 1 + 2 + 45 + 1 + 5 + 6 + 606 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34587666 + ... + 34587701.

It is an arithmetic number, because the mean of its divisors is an integer number (224819946).

Almost surely, 2^1245156606 is an apocalyptic number.

1245156606 is an abundant number, since it is smaller than the sum of its proper divisors (1452682746).

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

1245156606 is a wasteful number, since it uses less digits than its factorization.

1245156606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69175375 (or 69175372 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1245156606 is about 35286.7766450834. The cubic root of 1245156606 is about 1075.8242406960.

The spelling of 1245156606 in words is "one billion, two hundred forty-five million, one hundred fifty-six thousand, six hundred six".