101259387 has 12 divisors (see below), whose sum is σ = 151307520. Its totient is φ = 65178288.

The previous prime is 101259383. The next prime is 101259397. The reversal of 101259387 is 783952101.

It is not a de Polignac number, because 101259387 - 2² = 101259383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101259383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193723 + ... + 194244.

It is an arithmetic number, because the mean of its divisors is an integer number (12608960).

Almost surely, 2^101259387 is an apocalyptic number.

101259387 is a deficient number, since it is larger than the sum of its proper divisors (50048133).

101259387 is a wasteful number, since it uses less digits than its factorization.

101259387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388002 (or 387999 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 101259387 is about 10062.7723317185. The cubic root of 101259387 is about 466.0992791969.

The spelling of 101259387 in words is "one hundred one million, two hundred fifty-nine thousand, three hundred eighty-seven".