103421570 has 32 divisors (see below), whose sum is σ = 222006528. Its totient is φ = 33916608.

The previous prime is 103421537. The next prime is 103421581. The reversal of 103421570 is 75124301.

It is a super-2 number, since 2×103421570² = 21392042282529800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30509 + ... + 33728.

It is an arithmetic number, because the mean of its divisors is an integer number (6937704).

Almost surely, 2^103421570 is an apocalyptic number.

103421570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103421570 is an abundant number, since it is smaller than the sum of its proper divisors (118584958).

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

103421570 is a wasteful number, since it uses less digits than its factorization.

103421570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64274.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 103421570 is about 10169.6396199669. The cubic root of 103421570 is about 469.3934684043.

Adding to 103421570 its reverse (75124301), we get a palindrome (178545871).

The spelling of 103421570 in words is "one hundred three million, four hundred twenty-one thousand, five hundred seventy".