1040401245 has 32 divisors (see below), whose sum is σ = 1854518400. Its totient is φ = 494532864.

The previous prime is 1040401237. The next prime is 1040401247. The reversal of 1040401245 is 5421040401.

It is a happy number.

1040401245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1040401245 - 2³ = 1040401237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040401247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86335 + ... + 97644.

It is an arithmetic number, because the mean of its divisors is an integer number (57953700).

Almost surely, 2^1040401245 is an apocalyptic number.

1040401245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1040401245 is a deficient number, since it is larger than the sum of its proper divisors (814117155).

1040401245 is a wasteful number, since it uses less digits than its factorization.

1040401245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184029.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 1040401245 is about 32255.2514329062. The cubic root of 1040401245 is about 1013.2896835879.

Adding to 1040401245 its reverse (5421040401), we get a palindrome (6461441646).

The spelling of 1040401245 in words is "one billion, forty million, four hundred one thousand, two hundred forty-five".