1262270226064 has 45 divisors (see below), whose sum is σ = 2581316172003. Its totient is φ = 597877029216.

The previous prime is 1262270226031. The next prime is 1262270226067. The reversal of 1262270226064 is 4606220722621.

The square root of 1262270226064 is 1123508.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×1262270226064² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1262270226067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 85379217 + ... + 85393999.

Almost surely, 2^{1262270226064} is an apocalyptic number.

1262270226064 is the 1123508-th square number.

It is an amenable number.

1262270226064 is an abundant number, since it is smaller than the sum of its proper divisors (1319045945939).

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

1262270226064 is an frugal number, since it uses more digits than its factorization.

1262270226064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29612 (or 14804 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 1262270226064 its reverse (4606220722621), we get a palindrome (5868490948685).

The spelling of 1262270226064 in words is "one trillion, two hundred sixty-two billion, two hundred seventy million, two hundred twenty-six thousand, sixty-four".