1229739063 has 16 divisors (see below), whose sum is σ = 1879119360. Its totient is φ = 700746336.

The previous prime is 1229739061. The next prime is 1229739079. The reversal of 1229739063 is 3609379221.

It is not a de Polignac number, because 1229739063 - 2¹ = 1229739061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229739061) 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, 74020 + ... + 89097.

It is an arithmetic number, because the mean of its divisors is an integer number (117444960).

Almost surely, 2^1229739063 is an apocalyptic number.

1229739063 is a deficient number, since it is larger than the sum of its proper divisors (649380297).

1229739063 is a wasteful number, since it uses less digits than its factorization.

1229739063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163486.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 1229739063 is about 35067.6355490358. The cubic root of 1229739063 is about 1071.3654977549.

It can be divided in two parts, 12297 and 39063, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 1229739063 in words is "one billion, two hundred twenty-nine million, seven hundred thirty-nine thousand, sixty-three".