1277072190153 has 24 divisors (see below), whose sum is σ = 1882317191040. Its totient is φ = 834049900320.

The previous prime is 1277072190151. The next prime is 1277072190167. The reversal of 1277072190153 is 3510912707721.

It is not a de Polignac number, because 1277072190153 - 2¹ = 1277072190151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1277072190099 and 1277072190108.

It is not an unprimeable number, because it can be changed into a prime (1277072190151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1716993 + ... + 2345678.

It is an arithmetic number, because the mean of its divisors is an integer number (78429882960).

Almost surely, 2^{1277072190153} is an apocalyptic number.

It is an amenable number.

1277072190153 is a deficient number, since it is larger than the sum of its proper divisors (605245000887).

1277072190153 is a wasteful number, since it uses less digits than its factorization.

1277072190153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063389 (or 4063386 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 45.

Adding to 1277072190153 its reverse (3510912707721), we get a palindrome (4787984897874).

The spelling of 1277072190153 in words is "one trillion, two hundred seventy-seven billion, seventy-two million, one hundred ninety thousand, one hundred fifty-three".