1263520000124 has 12 divisors (see below), whose sum is σ = 2231825047704. Its totient is φ = 625855700784.

The previous prime is 1263520000123. The next prime is 1263520000199. The reversal of 1263520000124 is 4210000253621.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1263520000093 and 1263520000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263520000123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1476074339 + ... + 1476075194.

It is an arithmetic number, because the mean of its divisors is an integer number (185985420642).

Almost surely, 2^{1263520000124} is an apocalyptic number.

It is an amenable number.

1263520000124 is a deficient number, since it is larger than the sum of its proper divisors (968305047580).

1263520000124 is a wasteful number, since it uses less digits than its factorization.

1263520000124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952149644 (or 2952149642 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1263520000124 its reverse (4210000253621), we get a palindrome (5473520253745).

The spelling of 1263520000124 in words is "one trillion, two hundred sixty-three billion, five hundred twenty million, one hundred twenty-four", and thus it is an aban number.