1102272157 has 8 divisors (see below), whose sum is σ = 1262586816. Its totient is φ = 942669312.

The previous prime is 1102272131. The next prime is 1102272169. The reversal of 1102272157 is 7512722011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102272157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102272757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174628 + ... + 180829.

It is an arithmetic number, because the mean of its divisors is an integer number (157823352).

Almost surely, 2^1102272157 is an apocalyptic number.

It is an amenable number.

1102272157 is a deficient number, since it is larger than the sum of its proper divisors (160314659).

1102272157 is an equidigital number, since it uses as much as digits as its factorization.

1102272157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355907.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 1102272157 is about 33200.4842886365. The cubic root of 1102272157 is about 1032.9903849674.

Adding to 1102272157 its reverse (7512722011), we get a palindrome (8614994168).

The spelling of 1102272157 in words is "one billion, one hundred two million, two hundred seventy-two thousand, one hundred fifty-seven".