101849970 has 16 divisors (see below), whose sum is σ = 244440000. Its totient is φ = 27159984.

The previous prime is 101849959. The next prime is 101849981. The reversal of 101849970 is 79948101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101849959) and next prime (101849981).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697470 + ... + 1697529.

It is an arithmetic number, because the mean of its divisors is an integer number (15277500).

Almost surely, 2^101849970 is an apocalyptic number.

101849970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101849970 is an abundant number, since it is smaller than the sum of its proper divisors (142590030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101849970 is a wasteful number, since it uses less digits than its factorization.

101849970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3395009.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 101849970 is about 10092.0746132795. The cubic root of 101849970 is about 467.0036788972.

The spelling of 101849970 in words is "one hundred one million, eight hundred forty-nine thousand, nine hundred seventy".