1203146426 has 8 divisors (see below), whose sum is σ = 1805580084. Its totient is φ = 601286400.

The previous prime is 1203146419. The next prime is 1203146431. The reversal of 1203146426 is 6246413021.

It can be written as a sum of positive squares in 2 ways, for example, as 964413025 + 238733401 = 31055^2 + 15451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1203146426² = 2895122644793146952, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138125 + ... + 146576.

Almost surely, 2^1203146426 is an apocalyptic number.

1203146426 is a deficient number, since it is larger than the sum of its proper divisors (602433658).

1203146426 is a wasteful number, since it uses less digits than its factorization.

1203146426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286816.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1203146426 is about 34686.4011681812. The cubic root of 1203146426 is about 1063.5865298744.

Adding to 1203146426 its reverse (6246413021), we get a palindrome (7449559447).

The spelling of 1203146426 in words is "one billion, two hundred three million, one hundred forty-six thousand, four hundred twenty-six".