1261454125062 has 64 divisors (see below), whose sum is σ = 2639849667840. Its totient is φ = 401520038400.

The previous prime is 1261454125051. The next prime is 1261454125097. The reversal of 1261454125062 is 2605214541621.

It is a self number, because there is not a number n which added to its sum of digits gives 1261454125062.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2084389 + ... + 2620607.

It is an arithmetic number, because the mean of its divisors is an integer number (41247651060).

Almost surely, 2^{1261454125062} is an apocalyptic number.

1261454125062 is an abundant number, since it is smaller than the sum of its proper divisors (1378395542778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1261454125062 is a wasteful number, since it uses less digits than its factorization.

1261454125062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536469.

The product of its (nonzero) digits is 115200, while the sum is 39.

Adding to 1261454125062 its reverse (2605214541621), we get a palindrome (3866668666683).

The spelling of 1261454125062 in words is "one trillion, two hundred sixty-one billion, four hundred fifty-four million, one hundred twenty-five thousand, sixty-two".