1061156245 has 16 divisors (see below), whose sum is σ = 1293082560. Its totient is φ = 835864704.

The previous prime is 1061156237. The next prime is 1061156287. The reversal of 1061156245 is 5426511601.

It is a cyclic number.

It is not a de Polignac number, because 1061156245 - 2³ = 1061156237 is a prime.

It is a super-2 number, since 2×1061156245² = 2252105152605000050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123241 + ... + 131569.

It is an arithmetic number, because the mean of its divisors is an integer number (80817660).

Almost surely, 2^1061156245 is an apocalyptic number.

It is an amenable number.

1061156245 is a deficient number, since it is larger than the sum of its proper divisors (231926315).

1061156245 is an equidigital number, since it uses as much as digits as its factorization.

1061156245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8724.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1061156245 is about 32575.3932439810. The cubic root of 1061156245 is about 1019.9834179670.

Adding to 1061156245 its reverse (5426511601), we get a palindrome (6487667846).

The spelling of 1061156245 in words is "one billion, sixty-one million, one hundred fifty-six thousand, two hundred forty-five".