1245088001 has 16 divisors (see below), whose sum is σ = 1313874240. Its totient is φ = 1178210880.

The previous prime is 1245087997. The next prime is 1245088037. The reversal of 1245088001 is 1008805421.

It is a cyclic number.

It is not a de Polignac number, because 1245088001 - 2² = 1245087997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245088501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408455 + ... + 411491.

It is an arithmetic number, because the mean of its divisors is an integer number (82117140).

Almost surely, 2^1245088001 is an apocalyptic number.

It is an amenable number.

1245088001 is a deficient number, since it is larger than the sum of its proper divisors (68786239).

1245088001 is a wasteful number, since it uses less digits than its factorization.

1245088001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3344.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 1245088001 is about 35285.8045253328. The cubic root of 1245088001 is about 1075.8044819291.

The spelling of 1245088001 in words is "one billion, two hundred forty-five million, eighty-eight thousand, one".