102970849 has 4 divisors (see below), whose sum is σ = 103602736. Its totient is φ = 102338964.

The previous prime is 102970837. The next prime is 102970859. The reversal of 102970849 is 948079201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 948079201 = 59 ⋅16069139.

It is a cyclic number.

It is not a de Polignac number, because 102970849 - 2⁵ = 102970817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102970859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315699 + ... + 316024.

It is an arithmetic number, because the mean of its divisors is an integer number (25900684).

Almost surely, 2^102970849 is an apocalyptic number.

It is an amenable number.

102970849 is a deficient number, since it is larger than the sum of its proper divisors (631887).

102970849 is an equidigital number, since it uses as much as digits as its factorization.

102970849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631886.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 102970849 is about 10147.4552967727. The cubic root of 102970849 is about 468.7105883546.

The spelling of 102970849 in words is "one hundred two million, nine hundred seventy thousand, eight hundred forty-nine".