1245411612 has 60 divisors (see below), whose sum is σ = 3368044680. Its totient is φ = 400819104.

The previous prime is 1245411599. The next prime is 1245411617. The reversal of 1245411612 is 2161145421.

1245411612 is a `hidden beast` number, since 1 + 2 + 4 + 5 + 41 + 1 + 612 = 666.

1245411612 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245411617) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56878 + ... + 75669.

It is an arithmetic number, because the mean of its divisors is an integer number (56134078).

Almost surely, 2^1245411612 is an apocalyptic number.

1245411612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245411612 is an abundant number, since it is smaller than the sum of its proper divisors (2122633068).

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

1245411612 is a wasteful number, since it uses less digits than its factorization.

1245411612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132592 (or 132581 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1245411612 is about 35290.3897966571. The cubic root of 1245411612 is about 1075.8976780208.

The spelling of 1245411612 in words is "one billion, two hundred forty-five million, four hundred eleven thousand, six hundred twelve".