1272070546990 has 8 divisors (see below), whose sum is σ = 2289726984600. Its totient is φ = 508828218792.

The previous prime is 1272070546939. The next prime is 1272070546993. The reversal of 1272070546990 is 996450702721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272070546993) 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, 63603527340 + ... + 63603527359.

It is an arithmetic number, because the mean of its divisors is an integer number (286215873075).

Almost surely, 2^{1272070546990} is an apocalyptic number.

1272070546990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1272070546990 is a deficient number, since it is larger than the sum of its proper divisors (1017656437610).

1272070546990 is a wasteful number, since it uses less digits than its factorization.

1272070546990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127207054706.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 1272070546990 in words is "one trillion, two hundred seventy-two billion, seventy million, five hundred forty-six thousand, nine hundred ninety".