1071372229 has 2 divisors, whose sum is σ = 1071372230. Its totient is φ = 1071372228.

The previous prime is 1071372221. The next prime is 1071372287. The reversal of 1071372229 is 9222731701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 848556900 + 222815329 = 29130^2 + 14927^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071372229 - 2³ = 1071372221 is a prime.

It is a super-2 number, since 2×1071372229² = 2295676906144856882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071372194 and 1071372203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071372221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535686114 + 535686115.

It is an arithmetic number, because the mean of its divisors is an integer number (535686115).

Almost surely, 2^1071372229 is an apocalyptic number.

It is an amenable number.

1071372229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071372229 is an equidigital number, since it uses as much as digits as its factorization.

1071372229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1071372229 is about 32731.8228792715. The cubic root of 1071372229 is about 1023.2461712330.

The spelling of 1071372229 in words is "one billion, seventy-one million, three hundred seventy-two thousand, two hundred twenty-nine".