1242001050 has 48 divisors (see below), whose sum is σ = 3179534592. Its totient is φ = 320515200.

The previous prime is 1242001027. The next prime is 1242001051. The reversal of 1242001050 is 501002421.

It is a super-2 number, since 2×1242001050² = 3085133216402205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1242001051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128899 + ... + 138198.

It is an arithmetic number, because the mean of its divisors is an integer number (66240304).

Almost surely, 2^1242001050 is an apocalyptic number.

1242001050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242001050 is an abundant number, since it is smaller than the sum of its proper divisors (1937533542).

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

1242001050 is a wasteful number, since it uses less digits than its factorization.

1242001050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267143 (or 267138 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1242001050 is about 35242.0352703983. The cubic root of 1242001050 is about 1074.9146642194.

Adding to 1242001050 its reverse (501002421), we get a palindrome (1743003471).

It can be divided in two parts, 124200 and 1050, that added together give a triangular number (125250 = T₅₀₀).

The spelling of 1242001050 in words is "one billion, two hundred forty-two million, one thousand, fifty".