1071214157 has 16 divisors (see below), whose sum is σ = 1174135872. Its totient is φ = 971308800.

The previous prime is 1071214103. The next prime is 1071214159. The reversal of 1071214157 is 7514121701.

It is a cyclic number.

It is not a de Polignac number, because 1071214157 - 2¹² = 1071210061 is a prime.

It is a super-2 number, since 2×1071214157² = 2294999540314441298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071214159) 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, 347738 + ... + 350804.

It is an arithmetic number, because the mean of its divisors is an integer number (73383492).

Almost surely, 2^1071214157 is an apocalyptic number.

It is an amenable number.

1071214157 is a deficient number, since it is larger than the sum of its proper divisors (102921715).

1071214157 is a wasteful number, since it uses less digits than its factorization.

1071214157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3548.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 1071214157 is about 32729.4081370256. The cubic root of 1071214157 is about 1023.1958449568.

Adding to 1071214157 its reverse (7514121701), we get a palindrome (8585335858).

The spelling of 1071214157 in words is "one billion, seventy-one million, two hundred fourteen thousand, one hundred fifty-seven".