1023217151 has 8 divisors (see below), whose sum is σ = 1116512208. Its totient is φ = 929968000.

The previous prime is 1023217109. The next prime is 1023217157. The reversal of 1023217151 is 1517123201.

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

It is a cyclic number.

It is not a de Polignac number, because 1023217151 - 2⁶ = 1023217087 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 (1023217157) 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, 49031 + ... + 66711.

It is an arithmetic number, because the mean of its divisors is an integer number (139564026).

Almost surely, 2^1023217151 is an apocalyptic number.

1023217151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1023217151 is a deficient number, since it is larger than the sum of its proper divisors (93295057).

1023217151 is a wasteful number, since it uses less digits than its factorization.

1023217151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22953.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 1023217151 is about 31987.7656456340. The cubic root of 1023217151 is about 1007.6799181997.

The spelling of 1023217151 in words is "one billion, twenty-three million, two hundred seventeen thousand, one hundred fifty-one".