1273272554890 has 32 divisors (see below), whose sum is σ = 2619511663104. Its totient is φ = 436515903360.

The previous prime is 1273272554863. The next prime is 1273272554891. The reversal of 1273272554890 is 984552723721.

It is a happy number.

It is a super-2 number, since 2×1273272554890² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1273272554891) 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, 172495 + ... + 1605085.

It is an arithmetic number, because the mean of its divisors is an integer number (81859739472).

Almost surely, 2^{1273272554890} is an apocalyptic number.

1273272554890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1273272554890 is an abundant number, since it is smaller than the sum of its proper divisors (1346239108214).

1273272554890 is a wasteful number, since it uses less digits than its factorization.

1273272554890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445302.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 1273272554890 in words is "one trillion, two hundred seventy-three billion, two hundred seventy-two million, five hundred fifty-four thousand, eight hundred ninety".