1501012442 has 4 divisors (see below), whose sum is σ = 2251518666. Its totient is φ = 750506220.

The previous prime is 1501012439. The next prime is 1501012477. The reversal of 1501012442 is 2442101051.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 898260841 + 602751601 = 29971^2 + 24551^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375253109 + ... + 375253112.

Almost surely, 2^1501012442 is an apocalyptic number.

1501012442 is a deficient number, since it is larger than the sum of its proper divisors (750506224).

1501012442 is an equidigital number, since it uses as much as digits as its factorization.

1501012442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750506223.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1501012442 is about 38742.9018273025. The cubic root of 1501012442 is about 1144.9717305810.

Adding to 1501012442 its reverse (2442101051), we get a palindrome (3943113493).

The spelling of 1501012442 in words is "one billion, five hundred one million, twelve thousand, four hundred forty-two".