1213040041 has 8 divisors (see below), whose sum is σ = 1231200000. Its totient is φ = 1194910080.

The previous prime is 1213040039. The next prime is 1213040057. The reversal of 1213040041 is 1400403121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1213040041 - 2¹ = 1213040039 is a prime.

It is a super-2 number, since 2×1213040041² = 2942932282138563362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1213039997 and 1213040024.

It is not an unprimeable number, because it can be changed into a prime (1213040021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81840 + ... + 95518.

It is an arithmetic number, because the mean of its divisors is an integer number (153900000).

Almost surely, 2^1213040041 is an apocalyptic number.

It is an amenable number.

1213040041 is a deficient number, since it is larger than the sum of its proper divisors (18159959).

1213040041 is a wasteful number, since it uses less digits than its factorization.

1213040041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14999.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1213040041 is about 34828.7243665340. The cubic root of 1213040041 is about 1066.4939076440.

Adding to 1213040041 its reverse (1400403121), we get a palindrome (2613443162).

The spelling of 1213040041 in words is "one billion, two hundred thirteen million, forty thousand, forty-one".