103011426 has 120 divisors (see below), whose sum is σ = 283052880. Its totient is φ = 27841968.

The previous prime is 103011409. The next prime is 103011437. The reversal of 103011426 is 624110301.

It is a happy number.

It is a super-2 number, since 2×103011426² = 21222707773106952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103011399 and 103011408.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 150481 + ... + 151163.

It is an arithmetic number, because the mean of its divisors is an integer number (2358774).

Almost surely, 2^103011426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103011426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141526440).

103011426 is an abundant number, since it is smaller than the sum of its proper divisors (180041454).

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

103011426 is a wasteful number, since it uses less digits than its factorization.

103011426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 103011426 is about 10149.4544680983. The cubic root of 103011426 is about 468.7721474336.

Adding to 103011426 its reverse (624110301), we get a palindrome (727121727).

The spelling of 103011426 in words is "one hundred three million, eleven thousand, four hundred twenty-six".