1150421420929 has 27 divisors (see below), whose sum is σ = 1272696544483. Its totient is φ = 1039112597600.

The previous prime is 1150421420921. The next prime is 1150421421001. The reversal of 1150421420929 is 9290241240511.

The square root of 1150421420929 is 1072577.

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

It can be written as a sum of positive squares in only one way, i.e., 777442502529 + 372978918400 = 881727^2 + 610720^2 .

It is not a de Polignac number, because 1150421420929 - 2³ = 1150421420921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1150421420891 and 1150421420900.

It is not an unprimeable number, because it can be changed into a prime (1150421420921) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3315335334 + ... + 3315335680.

Almost surely, 2^{1150421420929} is an apocalyptic number.

1150421420929 is the 1072577-th square number.

1150421420929 is the 536289-th centered octagonal number.

It is an amenable number.

1150421420929 is a deficient number, since it is larger than the sum of its proper divisors (122275123554).

1150421420929 is an frugal number, since it uses more digits than its factorization.

1150421420929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 1150421420929 in words is "one trillion, one hundred fifty billion, four hundred twenty-one million, four hundred twenty thousand, nine hundred twenty-nine".