103158420 has 96 divisors (see below), whose sum is σ = 298142208. Its totient is φ = 26637312.

The previous prime is 103158409. The next prime is 103158443. The reversal of 103158420 is 24851301.

It is a super-3 number, since 3×103158420³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442624 + ... + 442856.

It is an arithmetic number, because the mean of its divisors is an integer number (3105648).

Almost surely, 2^103158420 is an apocalyptic number.

103158420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103158420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149071104).

103158420 is an abundant number, since it is smaller than the sum of its proper divisors (194983788).

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

103158420 is a wasteful number, since it uses less digits than its factorization.

103158420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 103158420 is about 10156.6933595536. The cubic root of 103158420 is about 468.9950157301.

The spelling of 103158420 in words is "one hundred three million, one hundred fifty-eight thousand, four hundred twenty".