1229395941 has 32 divisors (see below), whose sum is σ = 1849774080. Its totient is φ = 806899968.

The previous prime is 1229395939. The next prime is 1229395943. The reversal of 1229395941 is 1495939221.

1229395941 is a `hidden beast` number, since 1 + 2 + 29 + 39 + 594 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1229395939) and next prime (1229395943).

It is not a de Polignac number, because 1229395941 - 2¹ = 1229395939 is a prime.

It is a super-2 number, since 2×1229395941² = 3022828759494550962, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229395943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468465 + ... + 471081.

It is an arithmetic number, because the mean of its divisors is an integer number (57805440).

Almost surely, 2^1229395941 is an apocalyptic number.

It is an amenable number.

1229395941 is a deficient number, since it is larger than the sum of its proper divisors (620378139).

1229395941 is a wasteful number, since it uses less digits than its factorization.

1229395941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890 (or 2884 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 1229395941 is about 35062.7429189446. The cubic root of 1229395941 is about 1071.2658442922.

The spelling of 1229395941 in words is "one billion, two hundred twenty-nine million, three hundred ninety-five thousand, nine hundred forty-one".