1041021252403 has 16 divisors (see below), whose sum is σ = 1228047381504. Its totient is φ = 871762015360.

The previous prime is 1041021252367. The next prime is 1041021252407. The reversal of 1041021252403 is 3042521201401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1041021252403 is a prime.

It is a super-6 number, since 6×1041021252403⁶ (a number of 73 digits) contains 666666 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1041021252407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59214175 + ... + 59231752.

It is an arithmetic number, because the mean of its divisors is an integer number (76752961344).

Almost surely, 2^{1041021252403} is an apocalyptic number.

1041021252403 is a deficient number, since it is larger than the sum of its proper divisors (187026129101).

1041021252403 is a wasteful number, since it uses less digits than its factorization.

1041021252403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118446002.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1041021252403 its reverse (3042521201401), we get a palindrome (4083542453804).

The spelling of 1041021252403 in words is "one trillion, forty-one billion, twenty-one million, two hundred fifty-two thousand, four hundred three".